Do Reduced Hospital Mortality Rates Lead to Increased Utilization of Inpatient Emergency Care?:A Population-Based Cohort Study

OBJECTIVES: To measure the impact of the improvement in hospital survival rates on patients' subsequent utilization of unplanned (emergency) admissions.DATA SOURCES/STUDY SETTING: Unplanned admissions occurring in all acute hospitals of the National Health Service in England between 2000 and 2009, including 286,027 hip fractures, 375,880 AMI, 387,761 strokes, and 9,966,246 any cause admissions.STUDY DESIGN: Population-based retrospective cohort study. Unplanned admissions experienced by patients within 28 days, 1 year, and 2 years of discharge from the index admission are modeled as a function of hospital risk-adjusted survival rates using patient-level probit and negative binomial models. …