• Sara K Pasquali, Marshall L Jacobs, Xia He, Samir S Shah, Eric D Peterson, Matthew Hall, J William Gaynor, Kevin D Hill, John E Mayer, Jeffrey P Jacobs, and Jennifer S Li.
• Department of Pediatrics and Communicable Diseases, University of Michigan C.S. Mott Children's Hospital, Ann Arbor, Michigan;
• Pediatrics. 2014 Mar 1;133(3):e553-60.

BackgroundA better understanding of costs associated with common and resource-intense conditions such as congenital heart disease has become increasingly important as children's hospitals face growing pressure to both improve quality and reduce costs. We linked clinical information from a large registry with resource utilization data from an administrative data set to describe costs for common congenital cardiac operations and assess variation across hospitals.MethodsUsing linked data from The Society of Thoracic Surgeons and Pediatric Health Information Systems Databases (2006-2010), estimated costs/case for 9 operations of varying complexity were calculated. Between-hospital variation in cost and associated factors were assessed by using Bayesian methods, adjusting for important patient characteristics.ResultsOf 12,718 operations (27 hospitals) included, median cost/case increased with operation complexity (atrial septal defect repair, [$25,499] to Norwood operation, [$165,168]). Significant between-hospital variation (up to ninefold) in adjusted cost was observed across operations. Differences in length of stay (LOS) and complication rates explained an average of 28% of between-hospital cost variation. For the Norwood operation, high versus low cost hospitals had an average LOS of 50.8 vs. 31.8 days and a major complication rate of 50% vs. 25.3%. High volume hospitals had lower costs for the most complex operations.ConclusionsThis study establishes benchmarks for hospital costs for common congenital heart operations and demonstrates wide variability across hospitals related in part to differences in LOS and complication rates. These data may be useful in designing initiatives aimed at both improving quality of care and reducing cost.

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