Journal article

The effects of unexpected changes in demand on the performance of emergency departments

AJ Turner, L Anselmi, YS Lau, M Sutton

Health Economics | John Wiley & Sons Ltd. | Published : 2020

Abstract

Crowding in emergency departments (EDs) is increasing in many health systems. Previous studies of the relationship between crowding and care quality are limited by the use of data from single hospitals, a focus on particular patient groups, a focus on a narrow set of quality measures, and use of crowding measures which induce bias from unobserved hospital and patient characteristics. Using data from 139 hospitals covering all major EDss in England, we measure crowding using quasi-exogenous variation in the volume of EDs attendances and examine its impacts on indicators of performance across the entire EDs care pathway. We exploit variations from expected volume estimated using high-dimension..

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