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Table 4 Multivariable logistic regression model for risk factors of postoperative complications

From: Factors influencing postoperative length of stay in an enhanced recovery after surgery program for primary total knee arthroplasty

Factor

Odds ratio

95%CI

P value

Preoperative pulmonary infection

2.75

1.20–6.28

0.016

ASA score 3/4

2.14

1.01–4.52

0.046

Utilization of catheter after surgery

2.53

1.23–5.19

0.012

  1. ASA score American Society of Anesthesiologists score