Table 2.

Multivariate Logistic Regression Analysis Assessing Demographic and Preoperative Factors Predicting Return to the Operating Room

Variable	OR	95% CI
Current smoker	1.22	1.06–1.41
COPD	1.57	1.21–2.04
CHF	2.36	1.38–4.04
Hypertension	1.22	1.11–1.34
Presurgical sepsis	2.43	1.38–4.30
Dyspnea	1.13	0.99–1.29
Any complication	2.53	2.28–2.80

Logistic regression was performed with potentially predictive variables in which P < 0.05 in univariate analysis.