Start > postoperative infection rates
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
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Number of cases per intervention and hospital
Spital Sursee (Luzerner Kantonsspital): highly significant higher (worse) infection rate in rectum surgery Spital Burgdorf (Regionalspital Emmental AG): slightly higher (worse) infection rate in rectum surgery Réseau Hospitalier Neuchâtelois RHNe (groupe): slightly higher (worse) infection rate in rectum surgery Hôpital du Valais - Centre hospitalier du centre du Valais - CHCVs (groupe): slightly higher (worse) infection rate in rectum surgery Inselspital Bern (Teil der Insel Gruppe): slightly higher (worse) infection rate in rectum surgery Bürgerspital Solothurn (Solothurner Spitäler AG): highly significant lower (better) infection rate in rectum surgery Lindenhofspital (Lindenhof AG): highly significant lower (better) infection rate in rectum surgery Les Hôpitaux Universitaires de Genève HUG (groupe): slightly lower (better) infection rate in rectum surgery St. Claraspital: highly significant lower (better) infection rate in rectum surgery Kantonsspital St. Gallen (Standort St. Gallen): significant higher (worse) infection rate in rectum surgery CHUV Centre Hospitalier Universitaire Vaudois (site de Lausanne / Bugnon): slightly lower (better) infection rate in gastric bypass surgery Spital Lachen: significant higher (worse) infection rate in gastric bypass surgery Lindenhofspital (Lindenhof AG): slightly higher (worse) infection rate in gastric bypass surgery Spital Limmattal: slightly higher (worse) infection rate in gastric bypass surgery Inselspital Bern (Teil der Insel Gruppe): slightly higher (worse) infection rate in heart valve replacement Stadtspital Triemli: slightly lower (better) infection rate in heart valve replacement Universitätsspital Basel (USB): slightly higher (worse) infection rate in heart valve replacement Universitätsspital Zürich (USZ): significant higher (worse) infection rate in heart valve replacement Clinique de La Source: highly significant higher (worse) infection rate in appendectomy, adults Spital Herisau (Spitalverbund AR): highly significant higher (worse) infection rate in appendectomy, adults Spital Linth: slightly higher (worse) infection rate in appendectomy, adults EOC Ente ospedaliero cantonale (Ospedale di Bellinzona): slightly higher (worse) infection rate in appendectomy, adults Groupement Hospitalier de l`Ouest Lémanique - GHOL (groupe): slightly lower (better) infection rate in appendectomy, adults GZO Spital Wetzikon: slightly lower (better) infection rate in appendectomy, adults Kantonsspital Schaffhausen (Spitäler Schaffhausen): slightly higher (worse) infection rate in appendectomy, adults Spital Grabs (Spitalregion Rheintal Werdenberg Sarganserland): slightly higher (worse) infection rate in appendectomy, adults Stadtspital Waid: slightly lower (better) infection rate in appendectomy, adults Kantonsspital Münsterlingen (Spital Thurgau AG): slightly higher (worse) infection rate in appendectomy, adults Spital Wil (Spitalregion Fürstenland Toggenburg): significant higher (worse) infection rate in appendectomy, adults Kantonsspital Frauenfeld (Spital Thurgau AG): slightly lower (better) infection rate in appendectomy, adults Réseau Hospitalier Neuchâtelois RHNe (groupe): slightly higher (worse) infection rate in appendectomy, adults Universitätsspital Zürich (USZ): slightly higher (worse) infection rate in appendectomy, adults St. Claraspital: slightly higher (worse) infection rate in appendectomy, adults Spital Bülach: slightly lower (better) infection rate in appendectomy, adults Spitalzentrum Biel: significant higher (worse) infection rate in appendectomy, children and adolescents CHUV Centre Hospitalier Universitaire Vaudois (site de Lausanne / Bugnon): slightly higher (worse) infection rate in appendectomy, children and adolescents Ostschweizer Kinderspital: slightly higher (worse) infection rate in appendectomy, children and adolescents Les Hôpitaux Universitaires de Genève HUG (groupe): slightly higher (worse) infection rate in appendectomy, children and adolescents Universitäts-Kinderspital Zürich: slightly lower (better) infection rate in appendectomy, children and adolescents Luzerner Kantonsspital, LUKS (Standort Kantonsspital Luzern): slightly lower (better) infection rate in appendectomy, children and adolescents Inselspital Bern (Teil der Insel Gruppe): slightly higher (worse) infection rate in appendectomy, children and adolescents Flury 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 surgery Spital Interlaken (Spitäler FMI AG): slightly higher (worse) infection rate in colon surgery Kantonsspital Uri: significant higher (worse) infection rate in colon surgery Spital Herisau (Spitalverbund AR): slightly higher (worse) infection rate in colon surgery Clinique la Colline - Hirslanden: slightly lower (better) infection rate in colon surgery Klinik im Park - Hirslanden: slightly lower (better) infection rate in colon surgery Flury Stiftung Regionalspital Prättigau: slightly higher (worse) infection rate in colon surgery Spital Zofingen: slightly lower (better) infection rate in colon surgery Spital Lachen: slightly higher (worse) infection rate in colon surgery Bruderholzspital (Kantonsspital Baselland): slightly lower (better) infection rate in colon surgery AMEOS Spital Einsiedeln: slightly lower (better) infection rate in colon surgery Hirslanden Klinik Linde: slightly lower (better) infection rate in colon surgery Spital Wolhusen (Luzerner Kantonsspital): slightly lower (better) infection rate in colon surgery Clinique Cecil SA - Hirslanden: significant higher (worse) infection rate in colon surgery See-Spital (Standort Horgen): slightly lower (better) infection rate in colon surgery Kantonsspital Glarus: slightly lower (better) infection rate in colon surgery Spital Schwyz: slightly lower (better) infection rate in colon surgery Spital Dornach (Solothurner Spitäler AG): slightly lower (better) infection rate in colon surgery Clinique des Grangettes: slightly lower (better) infection rate in colon surgery Kantonsspital Nidwalden: slightly lower (better) infection rate in colon surgery Spital Linth: slightly lower (better) infection rate in colon surgery Hôpital du Jura (Site de Delémont): slightly lower (better) infection rate in colon surgery Hôpital Jules Daler: slightly lower (better) infection rate in colon surgery Groupement Hospitalier de l`Ouest Lémanique - GHOL (groupe): slightly lower (better) infection rate in colon surgery Hôpital Intercantonal de la Broye - HIB (site de Payerne): slightly lower (better) infection rate in colon surgery Spital Langenthal (SRO Spital Region Oberaargau AG): slightly higher (worse) infection rate in colon surgery Spital Zollikerberg: slightly higher (worse) infection rate in colon surgery EOC Ente ospedaliero cantonale (Ospedale di Locarno): slightly higher (worse) infection rate in colon surgery EOC Ente ospedaliero cantonale (Ospedale di Bellinzona): slightly higher (worse) infection rate in colon surgery Stadtspital Waid: slightly higher (worse) infection rate in colon surgery Clinique de La Source: slightly lower (better) infection rate in colon surgery Hirslanden Klinik Aarau: slightly lower (better) infection rate in colon surgery Hirslanden Klinik Stephanshorn: slightly lower (better) infection rate in colon surgery Spital Männedorf: slightly lower (better) infection rate in colon surgery Hôpital de La Tour: slightly lower (better) infection rate in colon surgery EOC Ente ospedaliero cantonale (Ospedale di Mendrisio): slightly higher (worse) infection rate in colon surgery Stiftung Spital Muri: slightly lower (better) infection rate in colon surgery Kantonsspital Schaffhausen (Spitäler Schaffhausen): significant higher (worse) infection rate in colon surgery Spital Burgdorf (Regionalspital Emmental AG): slightly higher (worse) infection rate in colon surgery Etablissements Hospitaliers du Nord Vaudois - eHnv (site Hôpital d'Yverdon-les-Bains): slightly higher (worse) infection rate in colon surgery EOC Ente ospedaliero cantonale (Ospedale di Lugano): slightly higher (worse) infection rate in colon surgery Spital Wil (Spitalregion Fürstenland Toggenburg): significant higher (worse) infection rate in colon surgery Spital Rheinfelden (Gesundheitszentrum Fricktal): slightly lower (better) infection rate in colon surgery Spital Limmattal: slightly lower (better) infection rate in colon surgery EHC Ensemble hospitalier de la Côte (Site de Hôpital de Morges): slightly lower (better) infection rate in colon surgery Spital Tiefenau (Teil der Insel Gruppe): slightly higher (worse) infection rate in colon surgery Spital Brig (Hôpital du Valais / Spital Wallis): slightly higher (worse) infection rate in colon surgery Spital Uster: slightly higher (worse) infection rate in colon surgery Spital Sursee (Luzerner Kantonsspital): slightly lower (better) infection rate in colon surgery Spitalzentrum Biel: slightly higher (worse) infection rate in colon surgery GZO Spital Wetzikon: slightly higher (worse) infection rate in colon surgery Spital Bülach: slightly lower (better) infection rate in colon surgery Kantonsspital Münsterlingen (Spital Thurgau AG): slightly lower (better) infection rate in colon surgery Hôpital Riviera-Chablais, Vaud Valais - HRC (Site de Rennaz): slightly higher (worse) infection rate in colon surgery Kantonsspital Aarau: slightly higher (worse) infection rate in colon surgery Kantonsspital Frauenfeld (Spital Thurgau AG): slightly lower (better) infection rate in colon surgery Zuger Kantonsspital: highly significant lower (better) infection rate in colon surgery Luzerner Kantonsspital, LUKS (Standort Kantonsspital Luzern): highly significant lower (better) infection rate in colon surgery Spital Grabs (Spitalregion Rheintal Werdenberg Sarganserland): slightly lower (better) infection rate in colon surgery Spital Olten (Solothurner Spitäler AG): highly significant lower (better) infection rate in colon surgery Clinica Luganese SA Sede Moncucco: slightly lower (better) infection rate in colon surgery Kantonsspital Graubünden: slightly higher (worse) infection rate in colon surgery Hirslanden Klinik St. Anna: slightly higher (worse) infection rate in colon surgery Spital Thun (Spital Thun-Simmental-Saanenland AG): slightly lower (better) infection rate in colon surgery HFR - Hôpital fribourgeois (Site Hôpital de Fribourg): slightly lower (better) infection rate in colon surgery Klinik Hirslanden Zürich: slightly higher (worse) infection rate in colon surgery Universitätsspital Zürich (USZ): highly significant higher (worse) infection rate in colon surgery Réseau Hospitalier Neuchâtelois RHNe (groupe): slightly lower (better) infection rate in colon surgery Klinik Beau-Site (Hirslanden Bern AG): slightly lower (better) infection rate in colon surgery Stadtspital Triemli: slightly higher (worse) infection rate in colon surgery Universitätsspital Basel (USB): significant higher (worse) infection rate in colon surgery Hôpital du Valais - Centre hospitalier du centre du Valais - CHCVs (groupe): slightly higher (worse) infection rate in colon surgery Kantonsspital Baselland (Standort Liestal): slightly lower (better) infection rate in colon surgery Kantonsspital Baden (Kantonsspital Baden AG): highly significant higher (worse) infection rate in colon surgery Inselspital Bern (Teil der Insel Gruppe): highly significant higher (worse) infection rate in colon surgery CHUV Centre Hospitalier Universitaire Vaudois (site de Lausanne / Bugnon): highly significant higher (worse) infection rate in colon surgery Kantonsspital Winterthur: slightly lower (better) infection rate in colon surgery Bürgerspital Solothurn (Solothurner Spitäler AG): highly significant lower (better) infection rate in colon surgery Lindenhofspital (Lindenhof AG): slightly lower (better) infection rate in colon surgery Kantonsspital St. Gallen (Standort St. Gallen): slightly higher (worse) infection rate in colon surgery St. Claraspital: slightly lower (better) infection rate in colon surgery Les Hôpitaux Universitaires de Genève HUG (groupe): slightly higher (worse) infection rate in colon surgery Kantonsspital 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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