Affiliation:
1. Department of Head and Neck Surgery and Communication Sciences, School of Medicine, Duke University, Durham, North Carolina, USA
2. Department of Biostatistics and Bioinformatics, Duke University Medical Center, Durham, North Carolina, USA
Abstract
Objective To determine whether annual surgeon volume of lateral neck dissections for squamous cell carcinoma is associated with complication rates. Study Design Retrospective review. Setting Two US databases spanning 2000 to 2014. Methods Neck dissections for squamous cell carcinoma from the National Inpatient Sample and State Inpatient Databases were analyzed. The primary outcome was any in-hospital complication common to neck dissection. The principal independent variable was surgeon volume. A multivariable logistic generalized estimating equation with a piecewise linear spline for surgeon volume was fit to assess its association with complication. Results The National Inpatient Sample had 3517 discharges fitting criteria, a median surgeon volume of 12, and an 11.1% complication rate. A 1-unit increase in surgeon volume was associated with a 7% increase in the odds of complication when volume ranged between 4 and 19 (adjusted odds ratio [AOR], 1.07; 95% CI, 1.04-1.11) and with a 3% decrease in the odds of complication when volume ranged between 19 and 51 (AOR, 0.97; 95% CI, 0.96-0.99). The State Inpatient Databases had 2876 discharges fitting criteria, a median surgeon volume of 30, and a 13.5% complication rate. Surgeon volume was not associated with complication when <27 (AOR, 1.01; 95% CI, 0.99-1.02), but a 5-unit increase in volume was associated with a 7% decrease in the odds of complication with volume ≥27 (AOR, 0.93; 95% CI, 0.88-0.98). Conclusions Surgeon volume was associated with complications for most volume ranges and with lower odds of complication for high-volume surgeons.
Subject
Otorhinolaryngology,Surgery
Cited by
1 articles.
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