Postoperative infection rates

Significant differences

In Switzerland, 2000 people die every year from a hospital-acquired infection (nosocomial infection). Infection rates inform about the medical quality in a hospital. The rates vary considerably from canton to canton. There are also differences between individual hospitals / clinics. Patients can profit to read up about this before an operation.

Average, intervention-specific infection rates by canton in hospitals in Switzerland, ANQ, data year 2023 association Hospital Comparison Switzerland infection rates by canton high low Data origin: ANQ Year: 2023, Visualization: Hospital Comparison Switzerland

Please tap on a canton (or move your mouse over it) to find out more about its results.

In the table below, you can also tap/click on the name of the canton to display information on individual hospitals in that canton. A tap/click on these hospitals will show more details about the measurements in that hospital.

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Canton of Glarus

Canton of Glarus

Not enough measurement values.

Canton of Solothurn

Solothurn

starstarstarstarstar  4.8


6 measurements in 3 hospitals with a total of 937 patients

Canton of Solothurn (3 hosp., 937 pat.) more more  less anzeigen less
starstarstarstarstar  4.8
Bürgerspital Solothurn (Solothurner Spitäler AG) (3 measurements, 562 pat.) more more  show less less
starstarstarstarstar  5.0
Spital Olten (Solothurner Spitäler AG) (2 measurements, 337 pat.) more more  show less less
starstarstarstarstar  4.3
Spital Dornach (Solothurner Spitäler AG) (1 measurement, 38 pat.) more more  show less less
starstarstarstarstar  4.0
Canton of Luzern

Luzern

starstarstarstarstar  4.3


9 measurements in 4 hospitals with a total of 1'373 patients

Canton of Luzern (4 hosp., 1'373 pat.) more more  less anzeigen less
starstarstarstarstar  4.3
Luzerner Kantonsspital, LUKS (Standort Kantonsspital Luzern) (4 measurements, 789 pat.) more more  show less less
starstarstarstarstar  5.0
Spital Wolhusen (Luzerner Kantonsspital) (1 measurement, 31 pat.) more more  show less less
starstarstarstarstar  4.9
Hirslanden Klinik St. Anna (2 measurements, 471 pat.) more more  show less less
starstarstarstarstar  2.0
Spital Sursee (Luzerner Kantonsspital) (2 measurements, 82 pat.) more more  show less less
starstarstarstarstar  2.0
Canton of Basel - Country

Basel - Country

starstarstarstarstar  4.2


4 measurements in 2 hospitals with a total of 468 patients

Canton of Basel - Country (2 hosp., 468 pat.) more more  less anzeigen less
starstarstarstarstar  4.2
Kantonsspital Baselland (Standort Liestal) (3 measurements, 440 pat.) more more  show less less
starstarstarstarstar  4.4
Bruderholzspital (Kantonsspital Baselland) (1 measurement, 28 pat.) more more  show less less
starstarstarstarstar  3.8
Canton of Fribourg

Fribourg

starstarstarstarstar  4.1


4 measurements in 3 hospitals with a total of 840 patients

Canton of Fribourg (3 hosp., 840 pat.) more more  less anzeigen less
starstarstarstarstar  4.1
HFR - Hôpital fribourgeois (Site Hôpital de Fribourg) (1 measurement, 129 pat.) more more  show less less
starstarstarstarstar  4.8
Hôpital Jules Daler (2 measurements, 256 pat.) more more  show less less
starstarstarstarstar  4.4
Clinique Générale Ste-Anne, SMN (1 measurement, 455 pat.) more more  show less less
starstarstarstarstar  2.0
Canton of Geneva

Geneva

starstarstarstarstar  4.0


12 measurements in 5 hospitals with a total of 1'859 patients

Canton of Geneva (5 hosp., 1'859 pat.) more more  less anzeigen less
starstarstarstarstar  4.0
Clinique la Colline - Hirslanden (1 measurement, 22 pat.) more more  show less less
starstarstarstarstar  5.0
Clinique Générale-Beaulieu (1 measurement, 240 pat.) more more  show less less
starstarstarstarstar  4.6
Clinique des Grangettes (2 measurements, 311 pat.) more more  show less less
starstarstarstarstar  4.4
Les Hôpitaux Universitaires de Genève HUG (groupe) (6 measurements, 1'086 pat.) more more  show less less
starstarstarstarstar  3.7
Hôpital de La Tour (2 measurements, 200 pat.) more more  show less less
starstarstarstarstar  2.5
Canton of Nidwalden

Canton of Nidwalden

Not enough measurement values.

Canton of Jura

Canton of Jura

Not enough measurement values.

Canton of Aargau

Aargau

starstarstarstarstar  3.8


14 measurements in 8 hospitals with a total of 2'024 patients

Canton of Aargau (8 hosp., 2'024 pat.) more more  less anzeigen less
starstarstarstarstar  3.8
Spital Rheinfelden (Gesundheitszentrum Fricktal) (2 measurements, 235 pat.) more more  show less less
starstarstarstarstar  4.7
Stiftung Spital Muri (2 measurements, 257 pat.) more more  show less less
starstarstarstarstar  4.6
Hirslanden Klinik Aarau (2 measurements, 314 pat.) more more  show less less
starstarstarstarstar  4.5
Spital Zofingen (2 measurements, 143 pat.) more more  show less less
starstarstarstarstar  4.0
Kantonsspital Aarau (2 measurements, 377 pat.) more more  show less less
starstarstarstarstar  3.3
Kantonsspital Baden (Kantonsspital Baden AG) (2 measurements, 507 pat.) more more  show less less
starstarstarstarstar  3.1
Klinik Villa im Park (1 measurement, 182 pat.) more more  show less less
starstarstarstarstar  2.3
Asana Spital Menziken (1 measurement, 9 pat.) more more  show less less
starstarstarstarstar  0.7
Canton of Basel - City

Basel - City

starstarstarstarstar  3.7


13 measurements in 4 hospitals with a total of 4'373 patients

Canton of Basel - City (4 hosp., 4'373 pat.) more more  less anzeigen less
starstarstarstarstar  3.7
Bethesda Spital (3 measurements, 1'026 pat.) more more  show less less
starstarstarstarstar  4.8
Merian Iselin Klinik (2 measurements, 1'627 pat.) more more  show less less
starstarstarstarstar  4.2
St. Claraspital (3 measurements, 516 pat.) more more  show less less
starstarstarstarstar  3.3
Universitätsspital Basel (USB) (5 measurements, 1'204 pat.) more more  show less less
starstarstarstarstar  2.6
Canton of Zug

Zug

starstarstarstarstar  3.7


3 measurements in 2 hospitals with a total of 626 patients

Canton of Zug (2 hosp., 626 pat.) more more  less anzeigen less
starstarstarstarstar  3.7
Zuger Kantonsspital (2 measurements, 425 pat.) more more  show less less
starstarstarstarstar  4.6
AndreasKlinik - Hirslanden (1 measurement, 201 pat.) more more  show less less
starstarstarstarstar  1.2
Canton of Schwyz

Schwyz

starstarstarstarstar  3.7


6 measurements in 3 hospitals with a total of 450 patients

Canton of Schwyz (3 hosp., 450 pat.) more more  less anzeigen less
starstarstarstarstar  3.7
AMEOS Spital Einsiedeln (1 measurement, 29 pat.) more more  show less less
starstarstarstarstar  5.0
Spital Schwyz (2 measurements, 162 pat.) more more  show less less
starstarstarstarstar  4.8
Spital Lachen (3 measurements, 259 pat.) more more  show less less
starstarstarstarstar  1.3
Canton of Thurgau

Thurgau

starstarstarstarstar  3.6


7 measurements in 3 hospitals with a total of 929 patients

Canton of Thurgau (3 hosp., 929 pat.) more more  less anzeigen less
starstarstarstarstar  3.6
Kantonsspital Frauenfeld (Spital Thurgau AG) (2 measurements, 260 pat.) more more  show less less
starstarstarstarstar  4.4
Herz-­Neuro­-Zentrum Bodensee (2 measurements, 329 pat.) more more  show less less
starstarstarstarstar  4.2
Kantonsspital Münsterlingen (Spital Thurgau AG) (3 measurements, 340 pat.) more more  show less less
starstarstarstarstar  2.4
Canton of Zurich

Zurich

starstarstarstarstar  3.5


40 measurements in 16 hospitals with a total of 10'673 patients

Canton of Zurich (16 hosp., 10'673 pat.) more more  less anzeigen less
starstarstarstarstar  3.5
Klinik im Park - Hirslanden (1 measurement, 23 pat.) more more  show less less
starstarstarstarstar  5.0
Universitäts-Kinderspital Zürich (1 measurement, 137 pat.) more more  show less less
starstarstarstarstar  5.0
Spital Männedorf (2 measurements, 207 pat.) more more  show less less
starstarstarstarstar  4.9
Schulthess Klinik (3 measurements, 2'663 pat.) more more  show less less
starstarstarstarstar  4.8
Spital Bülach (4 measurements, 793 pat.) more more  show less less
starstarstarstarstar  4.5
Stadtspital Triemli (5 measurements, 1'617 pat.) more more  show less less
starstarstarstarstar  4.3
See­-Spital (Standort Horgen) (2 measurements, 173 pat.) more more  show less less
starstarstarstarstar  4.0
Spital Uster (2 measurements, 163 pat.) more more  show less less
starstarstarstarstar  2.9
GZO Spital Wetzikon (3 measurements, 436 pat.) more more  show less less
starstarstarstarstar  2.8
Stadtspital Waid (3 measurements, 358 pat.) more more  show less less
starstarstarstarstar  2.7
Kantonsspital Winterthur (3 measurements, 1'230 pat.) more more  show less less
starstarstarstarstar  2.6
Spital Limmattal (2 measurements, 304 pat.) more more  show less less
starstarstarstarstar  2.3
Universitätsklinik Balgrist (2 measurements, 768 pat.) more more  show less less
starstarstarstarstar  1.7
Klinik Hirslanden Zürich (1 measurement, 132 pat.) more more  show less less
starstarstarstarstar  1.7
Spital Zollikerberg (1 measurement, 53 pat.) more more  show less less
starstarstarstarstar  1.6
Universitätsspital Zürich (USZ) (5 measurements, 1'616 pat.) more more  show less less
starstarstarstarstar  0.8
Canton of St. Gallen

St. Gallen

starstarstarstarstar  3.1


12 measurements in 6 hospitals with a total of 1'456 patients

Canton of St. Gallen (6 hosp., 1'456 pat.) more more  less anzeigen less
starstarstarstarstar  3.1
Hirslanden Klinik Stephanshorn (1 measurement, 59 pat.) more more  show less less
starstarstarstarstar  4.9
Spital Linth (3 measurements, 286 pat.) more more  show less less
starstarstarstarstar  4.6
Spital Grabs (Spitalregion Rheintal Werdenberg Sarganserland) (2 measurements, 249 pat.) more more  show less less
starstarstarstarstar  3.4
Kantonsspital St. Gallen (Standort St. Gallen) (3 measurements, 534 pat.) more more  show less less
starstarstarstarstar  2.0
Ostschweizer Kinderspital (1 measurement, 104 pat.) more more  show less less
starstarstarstarstar  0.9
Spital Wil (Spitalregion Fürstenland Toggenburg) (2 measurements, 224 pat.) more more  show less less
starstarstarstarstar  0.9
Canton of Ticino

Ticino

starstarstarstarstar  2.9


13 measurements in 8 hospitals with a total of 1'733 patients

Canton of Ticino (8 hosp., 1'733 pat.) more more  less anzeigen less
starstarstarstarstar  2.9
Clinica Sant'Anna, SMN (1 measurement, 118 pat.) more more  show less less
starstarstarstarstar  4.4
Clinica Luganese SA Sede Moncucco (1 measurement, 114 pat.) more more  show less less
starstarstarstarstar  4.3
Cardiocentro Ticino (CCT) (2 measurements, 338 pat.) more more  show less less
starstarstarstarstar  4.2
EOC Ente ospedaliero cantonale (Ospedale di Bellinzona) (3 measurements, 365 pat.) more more  show less less
starstarstarstarstar  3.2
EOC Ente ospedaliero cantonale (Ospedale di Locarno) (1 measurement, 55 pat.) more more  show less less
starstarstarstarstar  2.4
Clinica Ars Medica, SMN (1 measurement, 406 pat.) more more  show less less
starstarstarstarstar  2.2
EOC Ente ospedaliero cantonale (Ospedale di Lugano) (2 measurements, 223 pat.) more more  show less less
starstarstarstarstar  1.3
EOC Ente ospedaliero cantonale (Ospedale di Mendrisio) (2 measurements, 114 pat.) more more  show less less
starstarstarstarstar  1.2
Canton of Bern

Bern

starstarstarstarstar  2.7


33 measurements in 14 hospitals with a total of 6'143 patients

Canton of Bern (14 hosp., 6'143 pat.) more more  less anzeigen less
starstarstarstarstar  2.7
Hirslanden Klinik Linde (1 measurement, 30 pat.) more more  show less less
starstarstarstarstar  5.0
Sonnenhofspital (Lindenhof AG) (2 measurements, 1'104 pat.) more more  show less less
starstarstarstarstar  5.0
Engeriedspital (Lindenhof AG) (1 measurement, 164 pat.) more more  show less less
starstarstarstarstar  4.9
Salem-Spital (Hirslanden Bern AG) (2 measurements, 428 pat.) more more  show less less
starstarstarstarstar  4.3
Klinik Beau-Site (Hirslanden Bern AG) (2 measurements, 391 pat.) more more  show less less
starstarstarstarstar  4.0
Lindenhofspital (Lindenhof AG) (3 measurements, 372 pat.) more more  show less less
starstarstarstarstar  3.6
Spital Thun (Spital Thun-Simmental-Saanenland AG) (3 measurements, 596 pat.) more more  show less less
starstarstarstarstar  2.3
Spital Burgdorf (Regionalspital Emmental AG) (2 measurements, 74 pat.) more more  show less less
starstarstarstarstar  1.8
Inselspital Bern (Teil der Insel Gruppe) (8 measurements, 1'686 pat.) more more  show less less
starstarstarstarstar  1.5
Spital Langenthal (SRO Spital Region Oberaargau AG) (2 measurements, 259 pat.) more more  show less less
starstarstarstarstar  1.5
Spital Tiefenau (Teil der Insel Gruppe) (1 measurement, 75 pat.) more more  show less less
starstarstarstarstar  1.3
Klinik Permanence (Hirslanden Bern AG) (2 measurements, 620 pat.) more more  show less less
starstarstarstarstar  1.1
Spital Interlaken (Spitäler FMI AG) (1 measurement, 14 pat.) more more  show less less
starstarstarstarstar  1.1
Spitalzentrum Biel (3 measurements, 330 pat.) more more  show less less
starstarstarstarstar  0.9
Canton of Grisons

Grisons

starstarstarstarstar  2.6


4 measurements in 2 hospitals with a total of 346 patients

Canton of Grisons (2 hosp., 346 pat.) more more  less anzeigen less
starstarstarstarstar  2.6
Kantonsspital Graubünden (2 measurements, 290 pat.) more more  show less less
starstarstarstarstar  4.3
Flury Stiftung Regionalspital Prättigau (2 measurements, 56 pat.) more more  show less less
starstarstarstarstar  0.9
Canton of Vaud

Vaud

starstarstarstarstar  2.5


20 measurements in 10 hospitals with a total of 2'478 patients

Canton of Vaud (10 hosp., 2'478 pat.) more more  less anzeigen less
starstarstarstarstar  2.5
Hôpital Intercantonal de la Broye - HIB (site de Payerne) (1 measurement, 51 pat.) more more  show less less
starstarstarstarstar  4.9
Groupement Hospitalier de l`Ouest Lémanique - GHOL (groupe) (3 measurements, 319 pat.) more more  show less less
starstarstarstarstar  3.7
EHC Ensemble hospitalier de la Côte (Site de Hôpital de Morges) (2 measurements, 411 pat.) more more  show less less
starstarstarstarstar  3.4
Clinique de La Source (3 measurements, 224 pat.) more more  show less less
starstarstarstarstar  2.6
CHUV Centre Hospitalier Universitaire Vaudois (site de Lausanne / Bugnon) (4 measurements, 389 pat.) more more  show less less
starstarstarstarstar  2.6
Etablissements Hospitaliers du Nord Vaudois - eHnv (site Hôpital d'Yverdon-les-Bains) (1 measurement, 66 pat.) more more  show less less
starstarstarstarstar  1.8
Hôpital Riviera-Chablais, Vaud Valais - HRC (Site de Rennaz) (2 measurements, 214 pat.) more more  show less less
starstarstarstarstar  1.6
Clinique CIC Montreux (2 measurements, 649 pat.) more more  show less less
starstarstarstarstar  1.2
Clinique Cecil SA - Hirslanden (1 measurement, 33 pat.) more more  show less less
starstarstarstarstar  0.8
Etablissements Hospitaliers du Nord Vaudois - eHnv (site Hôpital de Saint-Loupe) (1 measurement, 122 pat.) more more  show less less
starstarstarstarstar  0.7
Canton of Valais

Valais

starstarstarstarstar  2.1


7 measurements in 3 hospitals with a total of 861 patients

Canton of Valais (3 hosp., 861 pat.) more more  less anzeigen less
starstarstarstarstar  2.1
Hôpital du Valais - Centre hospitalier du centre du Valais - CHCVs (groupe) (5 measurements, 630 pat.) more more  show less less
starstarstarstarstar  2.5
Spital Brig (Hôpital du Valais / Spital Wallis) (1 measurement, 78 pat.) more more  show less less
starstarstarstarstar  1.4
Clinique CIC Saxon (1 measurement, 153 pat.) more more  show less less
starstarstarstarstar  0.8
Canton of Appenzell Ausserrhoden

Appenzell Ausserrhoden

starstarstarstarstar  2.0


3 measurements in 2 hospitals with a total of 566 patients

Canton of Appenzell Ausserrhoden (2 hosp., 566 pat.) more more  less anzeigen less
starstarstarstarstar  2.0
Berit Klinik (1 measurement, 467 pat.) more more  show less less
starstarstarstarstar  4.6
Spital Herisau (Spitalverbund AR) (2 measurements, 99 pat.) more more  show less less
starstarstarstarstar  0.8
Canton of Neuchâtel

Neuchâtel

starstarstarstarstar  1.7


5 measurements in 2 hospitals with a total of 681 patients

Canton of Neuchâtel (2 hosp., 681 pat.) more more  less anzeigen less
starstarstarstarstar  1.7
Réseau Hospitalier Neuchâtelois RHNe (groupe) (4 measurements, 440 pat.) more more  show less less
starstarstarstarstar  1.8
Hôpital de la Providence, SMN Neuchâtel (1 measurement, 241 pat.) more more  show less less
starstarstarstarstar  1.4
Canton of Schaffhausen

Canton of Schaffhausen

Not enough measurement values.

Canton of Uri

Canton of Uri

Not enough measurement values.


Are hospital infections preventable?

Hospital infections are common. They are caused by germs that patients come into contact with during a hospital stay, partly because of a lack of hygiene. Although hospital infections cannot be fully prevented, their frequency can be reduced by systematic measures in the hospital.

It is estimated that in Switzerland 70'000 patients a year are affected. The infections delay the healing process, cause greater suffering for the patient and, in the worst case, even death.

Postoperative wound infections affect the skin and underlying tissue at the site of surgery. Since 2010, the Swissnoso association has been recording hospital infections after select operations and comparing them amongst clinics. For the following operations, meaningful results (infection rates) are available for Swiss hospitals:

Infection rates are not equal everywhere:

The Canton of Solothurn scores best, followed by the Canton of Luzern. The Canton of Neuchâtel brings up the rear.

Some differences also exist between individual Swiss hospitals / clinics. An example: The Bürgerspital Solothurn has an infection rate of 3.8% for «rectum surgery» (compared to the Swiss average of 15.5% for this procedure). Another very good result: The Bethesda Spital, Basel has an infection rate of 0.9% for «Laminectomy (removal of the vertebral arch, e.g., in case of a herniated disc)» (Swiss average 1.2%).

It pays off to be informed

Depending on the procedure, different hospitals / clinics achieve low infection rates. Our hospital comparison informs you about the differences and shows you the best hospitals in terms of procedures and infection rates.

Large hospitals are not necessarily the best

The infection rates measured do not correlate very strongly with the number of cases in a hospital for a particular procedure. Choosing a large hospital is therefore no guarantee for a low risk of infection.

Infection rates by case numbers per hospital & surgery, Data origin: ANQ, Measurement year: 2023, Pres. Hospital Comparison Switzerland Infection rates by case numbers per hospital & surgery Data origin: ANQ, year: 2023, Pres. Hospital Comparison Switzerland Hospital Comparison Switzerland standardised infection rate <= low (better) high (worse) => 200 400 600 800 1000 Number of cases per intervention and hospital Spital Sursee (Luzerner Kantonsspital): highly significant higher (worse) infection rate in rectum surgerySpital Burgdorf (Regionalspital Emmental AG): slightly higher (worse) infection rate in rectum surgeryRéseau Hospitalier Neuchâtelois RHNe (groupe): slightly higher (worse) infection rate in rectum surgeryHôpital du Valais - Centre hospitalier du centre du Valais - CHCVs (groupe): slightly higher (worse) infection rate in rectum surgeryInselspital Bern (Teil der Insel Gruppe): slightly higher (worse) infection rate in rectum surgeryBürgerspital Solothurn (Solothurner Spitäler AG): highly significant lower (better) infection rate in rectum surgeryLindenhofspital (Lindenhof AG): highly significant lower (better) infection rate in rectum surgeryLes Hôpitaux Universitaires de Genève HUG (groupe): slightly lower (better) infection rate in rectum surgerySt. Claraspital: highly significant lower (better) infection rate in rectum surgeryKantonsspital St. Gallen (Standort St. Gallen): significant higher (worse) infection rate in rectum surgeryCHUV Centre Hospitalier Universitaire Vaudois (site de Lausanne / Bugnon): slightly lower (better) infection rate in gastric bypass surgerySpital Lachen: significant higher (worse) infection rate in gastric bypass surgeryLindenhofspital (Lindenhof AG): slightly higher (worse) infection rate in gastric bypass surgerySpital Limmattal: slightly higher (worse) infection rate in gastric bypass surgeryInselspital Bern (Teil der Insel Gruppe): slightly higher (worse) infection rate in heart valve replacementStadtspital Triemli: slightly lower (better) infection rate in heart valve replacementUniversitätsspital Basel (USB): slightly higher (worse) infection rate in heart valve replacementUniversitätsspital Zürich (USZ): significant higher (worse) infection rate in heart valve replacementClinique de La Source: highly significant higher (worse) infection rate in appendectomy, adultsSpital Herisau (Spitalverbund AR): highly significant higher (worse) infection rate in appendectomy, adultsSpital Linth: slightly higher (worse) infection rate in appendectomy, adultsEOC Ente ospedaliero cantonale (Ospedale di Bellinzona): slightly higher (worse) infection rate in appendectomy, adultsGroupement Hospitalier de l`Ouest Lémanique - GHOL (groupe): slightly lower (better) infection rate in appendectomy, adultsGZO Spital Wetzikon: slightly lower (better) infection rate in appendectomy, adultsKantonsspital Schaffhausen (Spitäler Schaffhausen): slightly higher (worse) infection rate in appendectomy, adultsSpital Grabs (Spitalregion Rheintal Werdenberg Sarganserland): slightly higher (worse) infection rate in appendectomy, adultsStadtspital Waid: slightly lower (better) infection rate in appendectomy, adultsKantonsspital Münsterlingen (Spital Thurgau AG): slightly higher (worse) infection rate in appendectomy, adultsSpital Wil (Spitalregion Fürstenland Toggenburg): significant higher (worse) infection rate in appendectomy, adultsKantonsspital Frauenfeld (Spital Thurgau AG): slightly lower (better) infection rate in appendectomy, adultsRéseau Hospitalier Neuchâtelois RHNe (groupe): slightly higher (worse) infection rate in appendectomy, adultsUniversitätsspital Zürich (USZ): slightly higher (worse) infection rate in appendectomy, adultsSt. Claraspital: slightly higher (worse) infection rate in appendectomy, adultsSpital Bülach: slightly lower (better) infection rate in appendectomy, adultsSpitalzentrum Biel: significant higher (worse) infection rate in appendectomy, children and adolescentsCHUV Centre Hospitalier Universitaire Vaudois (site de Lausanne / Bugnon): slightly higher (worse) infection rate in appendectomy, children and adolescentsOstschweizer Kinderspital: slightly higher (worse) infection rate in appendectomy, children and adolescentsLes Hôpitaux Universitaires de Genève HUG (groupe): slightly higher (worse) infection rate in appendectomy, children and adolescentsUniversitäts-Kinderspital Zürich: slightly lower (better) infection rate in appendectomy, children and adolescentsLuzerner Kantonsspital, LUKS (Standort Kantonsspital Luzern): slightly lower (better) infection rate in appendectomy, children and adolescentsInselspital Bern (Teil der Insel Gruppe): slightly higher (worse) infection rate in appendectomy, children and adolescentsFlury Stiftung Regionalspital Prättigau: highly significant higher (worse) infection rate in gall bladder resection (cholecystectomy)Stadtspital Waid: slightly higher (worse) infection rate in gall bladder resection (cholecystectomy)EOC Ente ospedaliero cantonale (Ospedale di Lugano): significant higher (worse) infection rate in gall bladder resection (cholecystectomy)EOC Ente ospedaliero cantonale (Ospedale di Bellinzona): slightly lower (better) infection rate in gall bladder resection (cholecystectomy)Hôpital Jules Daler: slightly lower (better) infection rate in gall bladder resection (cholecystectomy)Kantonsspital Baselland (Standort Liestal): slightly lower (better) infection rate in gall bladder resection (cholecystectomy)Spital Olten (Solothurner Spitäler AG): slightly higher (worse) infection rate in gall bladder resection (cholecystectomy)Klinik Beau-Site (Hirslanden Bern AG): slightly lower (better) infection rate in gall bladder resection (cholecystectomy)Universitätsspital Basel (USB): significant higher (worse) infection rate in gall bladder resection (cholecystectomy)Kantonsspital Aarau: slightly lower (better) infection rate in gall bladder resection (cholecystectomy)Bürgerspital Solothurn (Solothurner Spitäler AG): slightly lower (better) infection rate in gall bladder resection (cholecystectomy)Kantonsspital Baden (Kantonsspital Baden AG): slightly lower (better) infection rate in gall bladder resection (cholecystectomy)Stadtspital Triemli: slightly higher (worse) infection rate in gall bladder resection (cholecystectomy)Kantonsspital Winterthur: slightly higher (worse) infection rate in gall bladder resection (cholecystectomy)Asana Spital Menziken: highly significant higher (worse) infection rate in colon surgerySpital Interlaken (Spitäler FMI AG): slightly higher (worse) infection rate in colon surgeryKantonsspital Uri: significant higher (worse) infection rate in colon surgerySpital Herisau (Spitalverbund AR): slightly higher (worse) infection rate in colon surgeryClinique la Colline - Hirslanden: slightly lower (better) infection rate in colon surgeryKlinik im Park - Hirslanden: slightly lower (better) infection rate in colon surgeryFlury Stiftung Regionalspital Prättigau: slightly higher (worse) infection rate in colon surgerySpital Zofingen: slightly lower (better) infection rate in colon surgerySpital Lachen: slightly higher (worse) infection rate in colon surgeryBruderholzspital (Kantonsspital Baselland): slightly lower (better) infection rate in colon surgeryAMEOS Spital Einsiedeln: slightly lower (better) infection rate in colon surgeryHirslanden Klinik Linde: slightly lower (better) infection rate in colon surgerySpital Wolhusen (Luzerner Kantonsspital): slightly lower (better) infection rate in colon surgeryClinique Cecil SA - Hirslanden: significant higher (worse) infection rate in colon surgerySee­-Spital (Standort Horgen): slightly lower (better) infection rate in colon surgeryKantonsspital Glarus: slightly lower (better) infection rate in colon surgerySpital Schwyz: slightly lower (better) infection rate in colon surgerySpital Dornach (Solothurner Spitäler AG): slightly lower (better) infection rate in colon surgeryClinique des Grangettes: slightly lower (better) infection rate in colon surgeryKantonsspital Nidwalden: slightly lower (better) infection rate in colon surgerySpital Linth: slightly lower (better) infection rate in colon surgeryHôpital du Jura (Site de Delémont): slightly lower (better) infection rate in colon surgeryHôpital Jules Daler: slightly lower (better) infection rate in colon surgeryGroupement Hospitalier de l`Ouest Lémanique - GHOL (groupe): slightly lower (better) infection rate in colon surgeryHôpital Intercantonal de la Broye - HIB (site de Payerne): slightly lower (better) infection rate in colon surgerySpital Langenthal (SRO Spital Region Oberaargau AG): slightly higher (worse) infection rate in colon surgerySpital Zollikerberg: slightly higher (worse) infection rate in colon surgeryEOC Ente ospedaliero cantonale (Ospedale di Locarno): slightly higher (worse) infection rate in colon surgeryEOC Ente ospedaliero cantonale (Ospedale di Bellinzona): slightly higher (worse) infection rate in colon surgeryStadtspital Waid: slightly higher (worse) infection rate in colon surgeryClinique de La Source: slightly lower (better) infection rate in colon surgeryHirslanden Klinik Aarau: slightly lower (better) infection rate in colon surgeryHirslanden Klinik Stephanshorn: slightly lower (better) infection rate in colon surgerySpital Männedorf: slightly lower (better) infection rate in colon surgeryHôpital de La Tour: slightly lower (better) infection rate in colon surgeryEOC Ente ospedaliero cantonale (Ospedale di Mendrisio): slightly higher (worse) infection rate in colon surgeryStiftung Spital Muri: slightly lower (better) infection rate in colon surgeryKantonsspital Schaffhausen (Spitäler Schaffhausen): significant higher (worse) infection rate in colon surgerySpital Burgdorf (Regionalspital Emmental AG): slightly higher (worse) infection rate in colon surgeryEtablissements Hospitaliers du Nord Vaudois - eHnv (site Hôpital d'Yverdon-les-Bains): slightly higher (worse) infection rate in colon surgeryEOC Ente ospedaliero cantonale (Ospedale di Lugano): slightly higher (worse) infection rate in colon surgerySpital Wil (Spitalregion Fürstenland Toggenburg): significant higher (worse) infection rate in colon surgerySpital Rheinfelden (Gesundheitszentrum Fricktal): slightly lower (better) infection rate in colon surgerySpital Limmattal: slightly lower (better) infection rate in colon surgeryEHC Ensemble hospitalier de la Côte (Site de Hôpital de Morges): slightly lower (better) infection rate in colon surgerySpital Tiefenau (Teil der Insel Gruppe): slightly higher (worse) infection rate in colon surgerySpital Brig (Hôpital du Valais / Spital Wallis): slightly higher (worse) infection rate in colon surgerySpital Uster: slightly higher (worse) infection rate in colon surgerySpital Sursee (Luzerner Kantonsspital): slightly lower (better) infection rate in colon surgerySpitalzentrum Biel: slightly higher (worse) infection rate in colon surgeryGZO Spital Wetzikon: slightly higher (worse) infection rate in colon surgerySpital Bülach: slightly lower (better) infection rate in colon surgeryKantonsspital Münsterlingen (Spital Thurgau AG): slightly lower (better) infection rate in colon surgeryHôpital Riviera-Chablais, Vaud Valais - HRC (Site de Rennaz): slightly higher (worse) infection rate in colon surgeryKantonsspital Aarau: slightly higher (worse) infection rate in colon surgeryKantonsspital Frauenfeld (Spital Thurgau AG): slightly lower (better) infection rate in colon surgeryZuger Kantonsspital: highly significant lower (better) infection rate in colon surgeryLuzerner Kantonsspital, LUKS (Standort Kantonsspital Luzern): highly significant lower (better) infection rate in colon surgerySpital Grabs (Spitalregion Rheintal Werdenberg Sarganserland): slightly lower (better) infection rate in colon surgerySpital Olten (Solothurner Spitäler AG): highly significant lower (better) infection rate in colon surgeryClinica Luganese SA Sede Moncucco: slightly lower (better) infection rate in colon surgeryKantonsspital Graubünden: slightly higher (worse) infection rate in colon surgeryHirslanden Klinik St. Anna: slightly higher (worse) infection rate in colon surgerySpital Thun (Spital Thun-Simmental-Saanenland AG): slightly lower (better) infection rate in colon surgeryHFR - Hôpital fribourgeois (Site Hôpital de Fribourg): slightly lower (better) infection rate in colon surgeryKlinik Hirslanden Zürich: slightly higher (worse) infection rate in colon surgeryUniversitätsspital Zürich (USZ): highly significant higher (worse) infection rate in colon surgeryRéseau Hospitalier Neuchâtelois RHNe (groupe): slightly lower (better) infection rate in colon surgeryKlinik Beau-Site (Hirslanden Bern AG): slightly lower (better) infection rate in colon surgeryStadtspital Triemli: slightly higher (worse) infection rate in colon surgeryUniversitätsspital Basel (USB): significant higher (worse) infection rate in colon surgeryHôpital du Valais - Centre hospitalier du centre du Valais - CHCVs (groupe): slightly higher (worse) infection rate in colon surgeryKantonsspital Baselland (Standort Liestal): slightly lower (better) infection rate in colon surgeryKantonsspital Baden (Kantonsspital Baden AG): highly significant higher (worse) infection rate in colon surgeryInselspital Bern (Teil der Insel Gruppe): highly significant higher (worse) infection rate in colon surgeryCHUV Centre Hospitalier Universitaire Vaudois (site de Lausanne / Bugnon): highly significant higher (worse) infection rate in colon surgeryKantonsspital Winterthur: slightly lower (better) infection rate in colon surgeryBürgerspital Solothurn (Solothurner Spitäler AG): highly significant lower (better) infection rate in colon surgeryLindenhofspital (Lindenhof AG): slightly lower (better) infection rate in colon surgeryKantonsspital St. Gallen (Standort St. Gallen): slightly higher (worse) infection rate in colon surgerySt. Claraspital: slightly lower (better) infection rate in colon surgeryLes Hôpitaux Universitaires de Genève HUG (groupe): slightly higher (worse) infection rate in colon surgeryKantonsspital Uri: slightly higher (worse) infection rate in caesarean section (C-section, childbirth)Spital Schwyz: slightly lower (better) infection rate in caesarean section (C-section, childbirth)Spital Lachen: slightly higher (worse) infection rate in caesarean section (C-section, childbirth)Hôpital du Jura (Site de Delémont): slightly higher (worse) infection rate in caesarean section (C-section, childbirth)Clinique de La Source: slightly lower (better) infection rate in caesarean section (C-section, childbirth)Hôpital de La Tour: slightly higher (worse) infection rate in caesarean section (C-section, childbirth)Spital Männedorf: highly significant lower (better) infection rate in caesarean section (C-section, childbirth)Spital Linth: slightly lower (better) infection rate in caesarean section (C-section, childbirth)Spital Rheinfelden (Gesundheitszentrum Fricktal): slightly lower (better) infection rate in caesarean section (C-section, childbirth)Klinik Villa im Park: slightly higher (worse) infection rate in caesarean section (C-section, childbirth)Stiftung Spital Muri: slightly lower (better) infection rate in caesarean section (C-section, childbirth)AndreasKlinik - Hirslanden: slightly higher (worse) infection rate in caesarean section (C-section, childbirth)Spitalzentrum Biel: significant higher (worse) infection rate in caesarean section (C-section, childbirth)GZO Spital Wetzikon: slightly lower (better) infection rate in caesarean section (C-section, childbirth)Clinique Générale-Beaulieu: slightly lower (better) infection rate in caesarean section (C-section, childbirth)Clinique des Grangettes: slightly higher (worse) infection rate in caesarean section (C-section, childbirth)Zuger Kantonsspital: slightly lower (better) infection rate in caesarean section (C-section, childbirth)EHC Ensemble hospitalier de la Côte (Site de Hôpital de Morges): slightly higher (worse) infection rate in caesarean section (C-section, childbirth)Spital Bülach: significant higher (worse) infection rate in caesarean section (C-section, childbirth)Bethesda Spital: slightly lower (better) infection rate in caesarean section (C-section, childbirth)Kantonsspital Winterthur: slightly higher (worse) infection rate in caesarean section (C-section, childbirth)Herz-­Neuro­-Zentrum Bodensee: slightly lower (better) infection rate in heart surgery (all interventions)Hôpital du Valais - Centre hospitalier du centre du Valais - CHCVs (groupe): slightly lower (better) infection rate in heart surgery (all interventions)Cardiocentro Ticino (CCT): slightly lower (better) infection rate in heart surgery (all interventions)Les Hôpitaux Universitaires de Genève HUG (groupe): slightly lower (better) infection rate in heart surgery (all interventions)Luzerner Kantonsspital, LUKS (Standort Kantonsspital Luzern): highly significant lower (better) infection rate in heart surgery (all interventions)Universitätsspital Basel (USB): slightly lower (better) infection rate in heart surgery (all interventions)Inselspital Bern (Teil der Insel Gruppe): significant higher (worse) infection rate in heart surgery (all interventions)Stadtspital Triemli: slightly lower (better) infection rate in heart surgery (all interventions)Universitätsspital Zürich (USZ): highly significant higher (worse) infection rate in heart surgery (all interventions)Hôpital du Valais - Centre hospitalier du centre du Valais - CHCVs (groupe): slightly lower (better) infection rate in bypass surgery (heart)Les Hôpitaux Universitaires de Genève HUG (groupe): slightly lower (better) infection rate in bypass surgery (heart)Cardiocentro Ticino (CCT): slightly lower (better) infection rate in bypass surgery (heart)Universitätsspital Basel (USB): slightly lower (better) infection rate in bypass surgery (heart)Inselspital Bern (Teil der Insel Gruppe): slightly higher (worse) infection rate in bypass surgery (heart)Herz-­Neuro­-Zentrum Bodensee: slightly lower (better) infection rate in bypass surgery (heart)Luzerner Kantonsspital, LUKS (Standort Kantonsspital Luzern): highly significant lower (better) infection rate in bypass surgery (heart)Stadtspital Triemli: slightly lower (better) infection rate in bypass surgery (heart)Universitätsspital Zürich (USZ): highly significant higher (worse) infection rate in bypass surgery (heart)EOC Ente ospedaliero cantonale (Ospedale di Mendrisio): highly significant higher (worse) infection rate in hip replacement (artificial hip joint)Kantonsspital Münsterlingen (Spital Thurgau AG): slightly higher (worse) infection rate in hip replacement (artificial hip joint)Spital Zofingen: highly significant higher (worse) infection rate in hip replacement (artificial hip joint)Clinique CIC Saxon: highly significant higher (worse) infection rate in hip replacement (artificial hip joint)Klinik Permanence (Hirslanden Bern AG): significant higher (worse) infection rate in hip replacement (artificial hip joint)Groupement Hospitalier de l`Ouest Lémanique - GHOL (groupe): significant higher (worse) infection rate in hip replacement (artificial hip joint)Spital Langenthal (SRO Spital Region Oberaargau AG): slightly higher (worse) infection rate in hip replacement (artificial hip joint)Hôpital de la Providence, SMN Neuchâtel: slightly higher (worse) infection rate in hip replacement (artificial hip joint)Hirslanden Klinik Aarau: slightly higher (worse) infection rate in hip replacement (artificial hip joint)Clinique CIC Montreux: slightly higher (worse) infection rate in hip replacement (artificial hip joint)Salem-Spital (Hirslanden Bern AG): slightly higher (worse) infection rate in hip replacement (artificial hip joint)Universitätsklinik Balgrist: slightly higher (worse) infection rate in hip replacement (artificial hip joint)Clinique Générale Ste-Anne, SMN: slightly higher (worse) infection rate in hip replacement (artificial hip joint)Berit Klinik: slightly lower (better) infection rate in hip replacement (artificial hip joint)Merian Iselin Klinik: slightly lower (better) infection rate in hip replacement (artificial hip joint)Sonnenhofspital (Lindenhof AG): slightly lower (better) infection rate in hip replacement (artificial hip joint)Schulthess Klinik: highly significant lower (better) infection rate in hip replacement (artificial hip joint)Etablissements Hospitaliers du Nord Vaudois - eHnv (site Hôpital de Saint-Loupe): highly significant higher (worse) infection rate in knee replacement (artificial knee joint)Spital Thun (Spital Thun-Simmental-Saanenland AG): significant higher (worse) infection rate in knee replacement (artificial knee joint)Hirslanden Klinik St. Anna: slightly higher (worse) infection rate in knee replacement (artificial knee joint)Clinique CIC Montreux: highly significant higher (worse) infection rate in knee replacement (artificial knee joint)Clinica Ars Medica, SMN: slightly higher (worse) infection rate in knee replacement (artificial knee joint)Klinik Permanence (Hirslanden Bern AG): highly significant higher (worse) infection rate in knee replacement (artificial knee joint)Merian Iselin Klinik: slightly lower (better) infection rate in knee replacement (artificial knee joint)Schulthess Klinik: slightly lower (better) infection rate in knee replacement (artificial knee joint)Kantonsspital Baselland (Standort Liestal): slightly lower (better) infection rate in hysterectomy (removal of the uterus)Spital Uster: slightly lower (better) infection rate in hysterectomy (removal of the uterus)Spital Bülach: slightly lower (better) infection rate in hysterectomy (removal of the uterus)Réseau Hospitalier Neuchâtelois RHNe (groupe): slightly higher (worse) infection rate in hysterectomy (removal of the uterus)Salem-Spital (Hirslanden Bern AG): slightly lower (better) infection rate in hysterectomy (removal of the uterus)Clinica Sant'Anna, SMN: slightly lower (better) infection rate in hysterectomy (removal of the uterus)Hôpital Riviera-Chablais, Vaud Valais - HRC (Site de Rennaz): slightly higher (worse) infection rate in hysterectomy (removal of the uterus)See­-Spital (Standort Horgen): slightly lower (better) infection rate in hysterectomy (removal of the uterus)Engeriedspital (Lindenhof AG): highly significant lower (better) infection rate in hysterectomy (removal of the uterus)Kantonsspital Graubünden: highly significant lower (better) infection rate in hysterectomy (removal of the uterus)Spital Thun (Spital Thun-Simmental-Saanenland AG): slightly higher (worse) infection rate in hysterectomy (removal of the uterus)Bethesda Spital: highly significant lower (better) infection rate in hysterectomy (removal of the uterus)Inselspital Bern (Teil der Insel Gruppe): highly significant higher (worse) infection rate in hysterectomy (removal of the uterus)CHUV Centre Hospitalier Universitaire Vaudois (site de Lausanne / Bugnon): slightly higher (worse) infection rate in Laminectomy (removal of the vertebral arch, e.g., in case of a herniated disc)Hôpital du Valais - Centre hospitalier du centre du Valais - CHCVs (groupe): slightly higher (worse) infection rate in Laminectomy (removal of the vertebral arch, e.g., in case of a herniated disc)Inselspital Bern (Teil der Insel Gruppe): slightly lower (better) infection rate in Laminectomy (removal of the vertebral arch, e.g., in case of a herniated disc)Kantonsspital St. Gallen (Standort St. Gallen): slightly higher (worse) infection rate in Laminectomy (removal of the vertebral arch, e.g., in case of a herniated disc)Bethesda Spital: slightly lower (better) infection rate in Laminectomy (removal of the vertebral arch, e.g., in case of a herniated disc)Sonnenhofspital (Lindenhof AG): slightly lower (better) infection rate in Laminectomy (removal of the vertebral arch, e.g., in case of a herniated disc)Les Hôpitaux Universitaires de Genève HUG (groupe): significant higher (worse) infection rate in Laminectomy (removal of the vertebral arch, e.g., in case of a herniated disc)Universitätsklinik Balgrist: slightly higher (worse) infection rate in Laminectomy (removal of the vertebral arch, e.g., in case of a herniated disc)Schulthess Klinik: slightly lower (better) infection rate in Laminectomy (removal of the vertebral arch, e.g., in case of a herniated disc)

Significantly higher infection rates partially also at university hospitals

Significantly higher infection rates were also registered in 11 procedures at university hospitals:

Thorough methodology

The measurements carried out by the Swissnoso association are characterised by a careful and elaborate methodology. Patients are interviewed by specially trained staff at several points in time - even after leaving the hospital. In this way a differentiated risk adjustment is realised. Swissnoso also regularly audits the recording process.

Please note that infection rates of different procedures cannot be directly compared. An example: Much higher infection rates are regularly observed in colon surgery than in orthopaedic operations (e.g. hip prosthesis operations).

Please note: Despite great care, methodological deficiencies may lead to distortions and uncertainties. Please bear in mind in particular that small differences are likely to be random. Similarly, infection rates are only one aspect of the overall quality of a hospital. Generalisations can lead to misjudgements.

Please also read our explanations on methodology as well as further information and methodological notes from Swissnoso and the ANQ association.


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