• Surbhi Agrawal, Ling Chen, Ana I Tergas, June Y Hou, Caryn M St Clair, Cande V Ananth, Alfred I Neugut, Dawn L Hershman, and Jason D Wright.
• Department of Obstetrics and Gynecology, Columbia University College of Physicians and Surgeons, New York, NY.
• Am. J. Obstet. Gynecol. 2018 Jul 1; 219 (1): 89.e1-89.e15.

BackgroundLength of stay after surgery has become an important quality measure for many common surgical procedures and is now also tied to reimbursement. Currently, little is known about the perioperative factors that contribute to prolonged hospital length of stay in women who undergo hysterectomy for benign conditions.ObjectiveWe performed a population-based analysis to investigate the association between perioperative factors and prolonged length of stay in women who undergo minimally invasive, abdominal, and vaginal hysterectomy.Study DesignWe used the National Surgical Quality Improvement Program database to identify women from 2006-2015 who underwent benign hysterectomy. The primary outcome was length of stay >75th percentile. Demographic, preoperative, intraoperative, and postoperative factors were analyzed to determine individual predictors of prolonged length of stay. Model fit statistics were used to assess the importance of each group of perioperative factors on prolonged length of stay.ResultsWe identified a total of 157,589 women, including 83,172 (52.8%) of whom underwent minimally invasive hysterectomy, 45,149 (28.6%) of whom underwent abdominal hysterectomy, and 29,268 (18.6%) of whom underwent vaginal hysterectomy. The 75th percentile for length of stay was 1 day for minimally invasive, 3 days for abdominal, and 2 days for vaginal hysterectomy. The measured factors accounted for 11.0% of the ability to predict a prolonged length of stay for minimally invasive, 20.3% for abdominal, and 16.2% for vaginal hysterectomy. Intraoperative factors were the most important contributors to length of stay for minimally invasive and abdominal hysterectomy; demographic factors dominated for vaginal hysterectomy.ConclusionThe most important perioperative factors that contributed to prolonged length of stay for hysterectomy were, in large part, not modifiable and suggest that targeted interventions to reduce length of stay will be challenging.Copyright © 2018 Elsevier Inc. All rights reserved.

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