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• W4229018892 startingPage "3079" @default.
• W4229018892 abstract "Emergency department (ED) crowding has been a pressing concern in healthcare systems in the U.S. and other developed countries. As such, many researchers have studied its effects on outcomes within the ED. In contrast, we study the effects of ED crowding on system performance outside the ED-specifically, on post-ED care utilization. Further, we explore the mediating effects of care intensity in the ED on post-ED care use.We utilize a dataset assembled from more than four years of microdata from a large U.S. hospital and exhaustive billing data in an integrated health system. By using count models and instrumental variable analyses to answer the proposed research questions, we find that there is an increasing concave relationship between ED physician workload and post-ED care use. When ED workload increases from its 5th percentile to the median, the number of post-discharge care events (i.e., medical services) for patients who are discharged home from the ED increases by 5% and it is stable afterwards. Further, we identify physician test-ordering behavior as a mechanism for this effect: when the physician is busier, she responds by ordering more tests for less severe patients. We document that this extra testing generates extra post-ED care utilization for these patients.This paper contributes new insights on how physician and patient behaviors under ED crowding impact a previously unstudied system performance measure: post-ED care utilization. Our findings suggest that prior studies estimating the cost of ED crowding underestimate the true effect, as they do not consider the extra post-ED care utilization." @default.
• W4229018892 created "2022-05-08" @default.
• W4229018892 creator A5014690496 @default.
• W4229018892 creator A5034615876 @default.
• W4229018892 creator A5043431181 @default.
• W4229018892 creator A5066220701 @default.
• W4229018892 date "2022-11-01" @default.
• W4229018892 modified "2023-09-26" @default.
• W4229018892 title "Does What Happens in the ED Stay in the ED? The Effects of Emergency Department Physician Workload on Post-ED Care Use" @default.
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