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Multivariable logistic regression model for risk factors of postoperative complications
| 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 |
ASA score American Society of Anesthesiologists score
