• Usama Ahmed Ali, Tony Dunne, Brooke Gurland, Jon D Vogel, and Ravi P Kiran.
• Department of Colorectal Surgery, Cleveland Clinic, Mail Code A30, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
• Am. J. Surg. 2014 Oct 1; 208 (4): 663-9.

BackgroundThe aim of this study was to determine factors associated with deviation in length of hospital stay (LOS) from that determined by diagnosis-related groups.MethodsA cohort study from a prospectively collected database was conducted, including consecutive patients undergoing surgery in a high-volume colorectal surgery department in 2009.ResultsFor 1,461 included patients, average expected and actual LOS were 8.17 days (interquartile range, 4.7 to 11.9 days) and 8.31 days (interquartile range, 4 to 10 days), respectively. The most prominent factors associated with an increase of LOS from expected were parenteral nutrition (5.11 days), emergency room admittance (3.67 days), and ileus (3.45 days) (P ≤ .001 for all). Other independently associated factors included blood transfusion, anastomotic leak, sepsis, pulmonary embolism, and surgeon. Patients with higher severity illness indexes and longer postoperative intensive care stay had lower than expected LOS.ConclusionsAfter colorectal surgery, several modifiable factors are associated with deviation of LOS from expected. An opportunity hence exists to reduce both LOS and financial burden for hospitals in an era of pay for performance.Copyright © 2014 Elsevier Inc. All rights reserved.

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