From: Optimal timing of surgical antimicrobial prophylaxis in laparoscopic surgery: a before-after study
Univariate analyses, OR (95% CI) | P value | Multivariate analyses, OR (95% CI) | P value | |
---|---|---|---|---|
Age ≥ 65 | 1.44 (1.05–1.98) | 0.02 | ||
Male gender | 0.82 (0.60–1.12) | 0.21 | ||
Diabetes mellitus | 0.90 (0.59–1.40) | 0.65 | ||
Current smoker | 1.61 (1.12–2.20) | 0.003 | 1.66 (1.14–2.40) | 0.01 |
ASA score ≥ 2 | 1.44 (0.95–2.19) | 0.09 | ||
Wound class 3 contaminated | 2.57 (0.50–13.36) | 0.26 | ||
Emergent surgery | 0.63 (0.39–1.01) | 0.06 | ||
Operation time ≥ 180 min | 2.58 (1.79–3.71) | < 0.001 | 2.35 (1.56–3.54) | < 0.001 |
Time windows, | ||||
31–60 min | Ref. | Ref. | ||
< 0 min | 0.67 (0.38–1.17) | 0.16 | 0.78 (0.41–1.46) | 0.43 |
0–30 min | 0.58 (0.39–0.85) | 0.01 | 0.65 (0.41–1.00) | 0.052 |
> 60 min | 0.72 (0.26–1.97) | 0.52 | 1.14 (0.38–3.42) | 0.81 |
Intervention status, “yes” | 0.96 (0.69–1.33) | 0.80 | 0.79 (0.54–1.15) | 0.22 |