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. Author manuscript; available in PMC: 2019 Mar 1.
Published in final edited form as: J Surg Oncol. 2017 Oct 16;117(3):529–534. doi: 10.1002/jso.24878

Table 3.

Multicovariate Regression Analysis on Hospital Length of Stay

Risk factors Level Estimate (95% confidence intervals) p value
BMI Obese vs normal 3.059 (−0.061 – 6.179) 0.004
Overweight vs normal 0.701 (−2.119 – 3.521)
Underweight vs normal 11.888 (5.199 – 18.577)

Cancer type GU vs GI 2.467 (−1.063 – 5.997) <.001
Gyne vs GI −3.091 (−8.028 – 1.846)
Sarcoma vs GI 12.889 (6.468 – 19.31)

Units of pRBC transfused during surgery 0.262 (−0.032 – 0.556) 0.083

Number of infections 3 vs 0 31.793 (20.899 – 42.687) <.001
2 vs 0 10.066 (5.958 – 14.174)
1 vs 0 1.216 (−1.536 – 3.968)

Anastomotic leak Yes vs no 19.071 (12.562 – 25.58) <.001

Rehabilitation admission Yes vs no 6.491 (2.075 – 10.907) 0.005

PM&R consult Yes vs no 4.375 (0.923 – 7.827) 0.015

Number of consultations 2–7 vs 0–1 5.111 (2.489 – 7.733) <.001

GI surgical team involvement in the surgery Yes vs no −5.842 (−10.281 – 1.403) 0.011

BMI=body mass index; GU=genitourinary cancer; GI=gastrointestinal cancer; Gyne=gynecologic cancer; pRBC=packed red blood cells; PM&R=physical medicine and rehabilitation