Rocco Friebel1,2, Cornelia Henschke3,4, Laia Maynou1,5,6. 1. Department of Health Policy, The London School of Economics and Political Science, London, UK. 2. Center for Global Development Europe, London, UK. 3. Department of Health Care Management, Berlin University of Technology, Berlin, Germany. 4. Berlin Centre of Health Economics Research, Berlin University of Technology, Berlin, Germany. 5. Department of Econometrics, Statistics and Applied Economics, Universitat de Barcelona, Barcelona, Spain. 6. Center for Research in Health and Economics, University of Pompeu Fabra, Barcelona, Spain.
Abstract
OBJECTIVE: To estimate the risk of an avoidable adverse event for high-need patients in England and Germany and the causal impact that has on outcomes. DATA SOURCES: We use administrative, secondary data for all hospital inpatients in 2018. Patient records for the English National Health Service are provided by the Hospital Episode Statistics database and for the German health care system accessed through the Research Data Center of the Federal Statistical Office. STUDY DESIGN: We calculated rates of three hospital-acquired adverse events and their causal impact on mortality and length of stay through propensity score matching and estimation of average treatment effects. DATA COLLECTION/EXTRACTION METHODS: Patients were identified based on diagnoses codes and translated Patient Safety Indicators developed by the Agency for Healthcare Research and Quality. PRINCIPAL FINDINGS: For the average hospital stay, the risk of an adverse event was 5.37% in the English National Health Service and 3.26% in the German health care system. High-need patients are more likely to experience an adverse event, driven by hospital-acquired infections (2.06%-4.45%), adverse drug reactions (2.37%-2.49%), and pressure ulcers (2.25%-0.45%). Adverse event risk is particularly high for patients with advancing illnesses (10.50%-27.11%) and the frail elderly (17.75%-28.19%). Compared to the counterfactual, high-need patients with an adverse event are more likely to die during their hospital stay and experience a longer length of stay. CONCLUSIONS: High-need patients are particularly vulnerable with an adverse event risking further deterioration of health status and adding resource use. Our results indicate the need to assess the costs and benefits of a hospital stay, particularly when care could be provided in settings considered less hazardous.
OBJECTIVE: To estimate the risk of an avoidable adverse event for high-need patients in England and Germany and the causal impact that has on outcomes. DATA SOURCES: We use administrative, secondary data for all hospital inpatients in 2018. Patient records for the English National Health Service are provided by the Hospital Episode Statistics database and for the German health care system accessed through the Research Data Center of the Federal Statistical Office. STUDY DESIGN: We calculated rates of three hospital-acquired adverse events and their causal impact on mortality and length of stay through propensity score matching and estimation of average treatment effects. DATA COLLECTION/EXTRACTION METHODS: Patients were identified based on diagnoses codes and translated Patient Safety Indicators developed by the Agency for Healthcare Research and Quality. PRINCIPAL FINDINGS: For the average hospital stay, the risk of an adverse event was 5.37% in the English National Health Service and 3.26% in the German health care system. High-need patients are more likely to experience an adverse event, driven by hospital-acquired infections (2.06%-4.45%), adverse drug reactions (2.37%-2.49%), and pressure ulcers (2.25%-0.45%). Adverse event risk is particularly high for patients with advancing illnesses (10.50%-27.11%) and the frail elderly (17.75%-28.19%). Compared to the counterfactual, high-need patients with an adverse event are more likely to die during their hospital stay and experience a longer length of stay. CONCLUSIONS: High-need patients are particularly vulnerable with an adverse event risking further deterioration of health status and adding resource use. Our results indicate the need to assess the costs and benefits of a hospital stay, particularly when care could be provided in settings considered less hazardous.
Authors: Rocco Friebel; Rebecca Fisher; Sarah R Deeny; Tim Gardner; Aoife Molloy; Adam Steventon Journal: Health Policy Date: 2019-06-22 Impact factor: 2.980
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