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Surgeon, Hospital, and Geographic Variation in Minimally Invasive Colectomy.
Annals of Surgery 2018 Februrary 10
OBJECTIVE: To identify sources of variation in the use of minimally invasive surgery (MIS) for colectomy.
BACKGROUND: MIS is associated with decreased analgesic use, shorter length of stay, and faster postoperative recovery. This study identified factors explaining variation in MIS use for colectomy.
METHODS: The Statewide Planning and Research Cooperative System was queried for scheduled admissions in which a colectomy was performed for neoplastic, diverticular, or inflammatory bowel disease between 2008 and 2015. Mixed-effects analyses were performed assessing surgeon, hospital, and geographic variation and factors associated with an MIS approach.
RESULTS: Among 45,714 colectomies, 68.1% were performed using an MIS approach. Wide variation in the rate of MIS was present across 1253 surgeons (median 50%, interquartile range 10.9%-84.2%, range 0.3%-99.7%). Calculating intraclass correlation coefficients after controlling for case-mix, 62.8% of the total variation in MIS usage was attributable to surgeon variation compared with 28.5% attributable to patient variation, 7% attributable to hospital variation, and 1.6% attributable to geographic variation. Surgeon-years in practice since residency/fellowship completion explained 19.2% of the surgeon variation, surgeon volume explained 5.2%, hospital factors explained 0.1%, and patient factors explained 0%.
CONCLUSIONS: Wide surgeon variation exists regarding an MIS approach for colectomy, and most of the total variation is attributable to individual surgeon practices-much of which is related to year of graduation. As increasing surgeon age is inversely proportional to the rate of MIS, patient referral and/or providing tailored training to older surgeons may be constructive targets in increasing the use of MIS and reducing healthcare utilization.
BACKGROUND: MIS is associated with decreased analgesic use, shorter length of stay, and faster postoperative recovery. This study identified factors explaining variation in MIS use for colectomy.
METHODS: The Statewide Planning and Research Cooperative System was queried for scheduled admissions in which a colectomy was performed for neoplastic, diverticular, or inflammatory bowel disease between 2008 and 2015. Mixed-effects analyses were performed assessing surgeon, hospital, and geographic variation and factors associated with an MIS approach.
RESULTS: Among 45,714 colectomies, 68.1% were performed using an MIS approach. Wide variation in the rate of MIS was present across 1253 surgeons (median 50%, interquartile range 10.9%-84.2%, range 0.3%-99.7%). Calculating intraclass correlation coefficients after controlling for case-mix, 62.8% of the total variation in MIS usage was attributable to surgeon variation compared with 28.5% attributable to patient variation, 7% attributable to hospital variation, and 1.6% attributable to geographic variation. Surgeon-years in practice since residency/fellowship completion explained 19.2% of the surgeon variation, surgeon volume explained 5.2%, hospital factors explained 0.1%, and patient factors explained 0%.
CONCLUSIONS: Wide surgeon variation exists regarding an MIS approach for colectomy, and most of the total variation is attributable to individual surgeon practices-much of which is related to year of graduation. As increasing surgeon age is inversely proportional to the rate of MIS, patient referral and/or providing tailored training to older surgeons may be constructive targets in increasing the use of MIS and reducing healthcare utilization.
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