Zaid Al-Qurayshi1, Russell Robins2, Adam Hauch1, Gregory W Randolph3, Emad Kandil1. 1. Department of Surgery, Tulane University School of Medicine, New Orleans, Louisiana. 2. A. B. Freeman School of Business, Tulane University, New Orleans, Louisiana. 3. Division of Thyroid and Parathyroid Endocrine Surgery, Massachusetts Eye and Ear Infirmary, Boston, Massachusetts.
Abstract
IMPORTANCE: Incidence of thyroidectomies is continuing to increase. Identifying factors associated with favorable outcomes can lead to cost savings. OBJECTIVE: To assess the association of surgeon volume with clinical outcomes and costs of thyroidectomy. DESIGN, SETTING, AND PARTICIPANTS: Cross-sectional analysis performed in October of 2014 of adult (≥ 18 years) inpatients in US community hospitals using the Nationwide Inpatient Sample for the years 2003 through 2009. EXPOSURES: Thyroidectomy. MAIN OUTCOMES AND MEASURES: Complications, length of stay, and cost following thyroidectomy in relation to surgeon volume. Surgeon volumes were stratified into low (1-3 thyroidectomies per year), intermediate (4-29 thyroidectomies per year), and high (≥ 30 thyroidectomies per year). RESULTS: A total of 77,863 patients were included. Procedures performed by low-volume surgeons were associated with a higher risk of postoperative complications compared with high-volume surgeons (15.8% vs 7.7%; OR, 1.55 [95% CI, 1.19-2.03]; P = .001). Mean (SD) hospital cost was significantly associated with surgeon volume (high volume, $6662.69 [$409.31]; intermediate volume, $6912.41 [$137.20]; low volume, $10,396.21 [$345.17]; P < .001). During the study period, if all operations performed by low-volume surgeons had been selectively referred to intermediate- or high-volume surgeons, savings of 11.2% or 12.2%, respectively, would have been incurred. On the basis of the cost growth rate, greater savings are forecasted for high-volume surgeons. With a conservative assumption of 150,000 thyroidectomies per year in the United States, referral of all patients to intermediate- or high-volume surgeons would produce savings of $2.08 billion or $3.11 billion, respectively, over a span of 14 years. CONCLUSIONS AND RELEVANCE: A surgeon's expertise (measured by surgical volume of procedures per year) is associated with favorable clinical as well as financial outcomes. Our model estimates that considerable cost savings are attainable if higher-volume surgeons perform thyroid procedures in the United States.
IMPORTANCE: Incidence of thyroidectomies is continuing to increase. Identifying factors associated with favorable outcomes can lead to cost savings. OBJECTIVE: To assess the association of surgeon volume with clinical outcomes and costs of thyroidectomy. DESIGN, SETTING, AND PARTICIPANTS: Cross-sectional analysis performed in October of 2014 of adult (≥ 18 years) inpatients in US community hospitals using the Nationwide Inpatient Sample for the years 2003 through 2009. EXPOSURES: Thyroidectomy. MAIN OUTCOMES AND MEASURES: Complications, length of stay, and cost following thyroidectomy in relation to surgeon volume. Surgeon volumes were stratified into low (1-3 thyroidectomies per year), intermediate (4-29 thyroidectomies per year), and high (≥ 30 thyroidectomies per year). RESULTS: A total of 77,863 patients were included. Procedures performed by low-volume surgeons were associated with a higher risk of postoperative complications compared with high-volume surgeons (15.8% vs 7.7%; OR, 1.55 [95% CI, 1.19-2.03]; P = .001). Mean (SD) hospital cost was significantly associated with surgeon volume (high volume, $6662.69 [$409.31]; intermediate volume, $6912.41 [$137.20]; low volume, $10,396.21 [$345.17]; P < .001). During the study period, if all operations performed by low-volume surgeons had been selectively referred to intermediate- or high-volume surgeons, savings of 11.2% or 12.2%, respectively, would have been incurred. On the basis of the cost growth rate, greater savings are forecasted for high-volume surgeons. With a conservative assumption of 150,000 thyroidectomies per year in the United States, referral of all patients to intermediate- or high-volume surgeons would produce savings of $2.08 billion or $3.11 billion, respectively, over a span of 14 years. CONCLUSIONS AND RELEVANCE: A surgeon's expertise (measured by surgical volume of procedures per year) is associated with favorable clinical as well as financial outcomes. Our model estimates that considerable cost savings are attainable if higher-volume surgeons perform thyroid procedures in the United States.
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