. Author manuscript; available in PMC: 2016 Apr 7.

Published in final edited form as: JAMA Surg. 2015 Jun;150(6):505–510. doi: 10.1001/jamasurg.2014.4043

Table 2.

Independent Predictors of Readmission

Variable	OR (95% CI)	P Value
Corticosteroids	1.453 (0.913–2.311)	.12
Weight loss	1.433 (0.836–2.455)	.19
Bleeding disorder	2.549 (1.464–4.440)	.001
Prolonged procedure length	1.601 (1.186–2.160)	.002
Specialty^a
Colorectal	2.001 (1.111–3.601)	.02
General	1.536 (0.854–2.765)	.15
HPB and soft-tissue oncology	1.962 (1.076–3.576)	.03
ASA classification 3–4	1.177 (0.866–1.600)	.30
Wound classification^b
Clean contaminated	1.663 (1.091–2.535)	.02
Contaminated	1.620 (0.923–2.844)	.09
Dirty	2.426 (1.081–5.447)	.03
In-hospital complications	16.273 (12.028–22.016)	.002
Dependent functional status and/or higher care at discharge	1.937 (1.176–3.190)	.009

Abbreviations: ASA, American Society of Anesthesiologists; HPB, hepatopancreaticobiliary; OR, odds ratio.

Baseline variable: advanced minimally invasive surgery.

Baseline variable: clean wound.