Preoperative Predictors and Costs of 30-Day Readmission Following Inpatient Pediatric Tonsillectomy in the United States

Objectives To understand national trends in 30-day postoperative readmission following inpatient pediatric tonsillectomy and adenoidectomy. Study Design Retrospective cohort study. Setting Nationwide Readmissions Database. Methods We used the Nationwide Readmissions Database to identify and analyze 30-day readmissions following inpatient tonsillectomy from 2010 to 2015. Using the International Classification of Disease codes, we identified 66,652 patients and analyzed the incidence, causes, risk factors, and costs of 30-day readmission. Results Of 66,652 patients who underwent inpatient tonsillectomy, 2660 (4.0%) experienced a readmission. Readmitted patients were more commonly aged