Epidemiology of the hospital adverse events in Catalonia, Spain: A first step for the patient safety improvement

Joaquim Bañeres, Carola Orrego, Laura Navarro, Lidia Casas, Marta Banqué, Rosa Suñol

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5 Citations (Scopus)


It has been published that hospital adverse events are an important source of morbidity and mortality in different countries and settings. The aim of this study was to evaluate the frequency, magnitude, distribution and degree of preventability of adverse events in the Autonomous Community of Catalonia (Spain). We conducted a retrospective cohort study of 4,790 hospital discharges that were selected by simple random sampling after stratified multistage sampling in 15 hospitals in Catalonia. 38.25% of patients had positive risk criteria (screening phase). We identified 356 cases of adverse events, which represent a 7.4% (95%CI: 6.7% to 8.1%). Of these, 43.5% (155 cases) were considered preventable. This study confirms that adverse events in hospitals in Catalonia are frequent, and generate a significant impact on morbidity and mortality. As in other studies, corroborated that a high proportion of these adverse events are considered preventable. It was possible to identify priority areas to focus improvement efforts. © 2013 Elsevier España, S.L. All rights reserved.
Original languageEnglish
Pages (from-to)3-10
JournalMedicina Clinica
Issue numberSUPPL. 1
Publication statusPublished - 1 Jan 2014


  • Adverse events
  • Patient safety
  • Prevention


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