• Sujay Kulshrestha, Ashley Penton, Fred A Luchette, Marshall S Baker, and Zaid M Abdelsattar.
• From the Department of Surgery, Loyola University Medical Center, Maywood, IL (Kulshrestha, Penton, Luchette, Baker).
• J. Am. Coll. Surg. 2022 Jul 1; 235 (1): 111118111-118.

BackgroundDiaphragmatic hernia repair is a common operation performed at all types of hospitals. The variation in costs and repeat episodes of care after this operation is not known.Study DesignThe Healthcare Cost and Utilization Project State Inpatient and State Ambulatory Surgery and Services Databases for Florida were queried to identify patients undergoing diaphragmatic hernia repair between 2011 and 2018 and the associated inpatient and outpatient encounters within 12 months postoperatively. Hospitals were ranked by cost and grouped into quintiles. All costs and charges were reliability and case-mix adjusted with the use of hierarchical multivariable regression.ResultsIn total, 8,848 patients underwent diaphragmatic hernia operations at 158 hospitals. The most expensive hospital quintile had lower surgical volume, location in rural settings, and fewer than 100 beds. There was a wide variation in costs after diaphragmatic hernia repair. On unadjusted comparison, index costs were $23,041 more expensive in hospitals in the highest quintile than in the lowest quintile. Cost differences were persistent even after case-mix and reliability adjustment. The variation in adjusted aggregate charges for associated outpatient and inpatient encounters in the first year after the index operation was considerably lower than that of the index hospitalization.ConclusionThere is nearly a 2-fold variation in the cost of a diaphragmatic hernia repair across hospitals. Most of the variation occurs during the index surgical encounter and not for repeat encounters during the first postoperative year. As bundled payment models mature, hospitals and payers will need to target this variation to ensure cost-efficiency.Copyright © 2022 by the American College of Surgeons. Published by Wolters Kluwer Health, Inc. All rights reserved.

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