• Mark A Lockett, Patrick D Mauldin, Jingwen Zhang, Justin E Marsden, David J Taber, Mulugeta Gebregziabher, Catherine Chung, Preetha Hebbar, Larry Adams, and Prabhakar K Baliga.
• Medical University of South Carolina, College of Medicine, Charleston, SC. Electronic address: locketma@musc.edu.
• J. Am. Coll. Surg. 2021 Apr 1; 232 (4): 536-543.

BackgroundSurgical quality improvement efforts are challenging due to the multidisciplinary nature of care, difficulties obtaining reliable data, and variability in quality metrics. The objective of this analysis was to assess whether participation in a regional collaborative quality initiative was associated with decreased in-hospital surgical complication in South Carolina.Study DesignIn-hospital surgical complication rates were determined using a statewide all-payer claims data set. Retrospective, univariate, and longitudinal multivariable analyses were performed and adjustments were made to account for aggregated hospital-level patient characteristics.ResultsThe analysis included 275,387 general surgery cases performed in South Carolina hospitals between January 2016 and December 2018. Eight hospitals involved in the South Carolina Surgical Quality Collaborative (SCSQC) performed 56,179 cases and 51 non-SCSQC hospitals performed 219,208 cases. Univariate analysis revealed SCSQC hospitals performed operations in older patients (p < 0.0001) and patients with higher mean Charlson Comorbidity Index scores (p < 0.0001). SCSQC hospitals had higher mean in-hospital surgical complication rates at the surgery level compared with non-SCSQC hospitals (8.3% vs 7.0%; p < 0.0001). However, in multivariable analyses, the rate ratio for in-hospital surgical complication in SCSQC hospitals was 0.994 (95% CI, 0.989 to 0.998; p = 0.008) per month compared with non-SCSQC hospitals. This suggests a 21.6% (95% CI, 7.2% to 39.6%) proportional decrease in the rate of in-hospital surgical complication during 3 years associated with participation in the regional collaborative quality initiative.ConclusionsStructured collaboration between facilities, reliable data abstraction support, timely data review, and active member participation resulted in outcomes improvements for participating hospitals compared with hospitals that did not participate in a regional collaborative quality initiative.Published by Elsevier Inc.

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