Table 3. Binary Logistic Regression Analysis for Surgical Site Infection.
| Independent variables | OR (95% CI) | P value |
|---|---|---|
| Age (yr) | 1.00 (0.97–1.03) | 0.873 |
| BMI (kg/m2) | 0.96 (0.95–1.05) | 0.848 |
| ASA | 0.445* | |
| 1 | 1 | |
| 2 | 0.67 (0.29–1.55) | 0.347 |
| 3 | 1.62 (0.54–4.87) | 0.387 |
| 4 | 1.50 (0.14–16.50) | 0.741 |
| 5 | 0.00 (0.00–) | 0.999 |
| Operation time | 1.12 (0.95–1.33) | 0.186 |
| Operation method | 0.724 | |
| Laparotomy | 1 | |
| Laparoscopy | 0.87 (0.41–1.86) | |
| Anesthesia technique | 0.026 | |
| Intravenous | 1 | |
| Volatile | 5.24 (1.21–22.51) | |
| Smoking | 0.564 | |
| No | 1 | |
| Yes | 1.24 (0.60–2.57) | |
| Glucose | 0.194* | |
| 70–110 mg/dl | 1 | |
| < 70 mg/dl | 0.00 (0.00–) | 0.999 |
| > 110 mg/dl | 1.95 (1.95–4.01) | 0.070 |
| RBC transfusion | 0.026 | |
| No | 1 | |
| Yes | 2.65 (1.13–6.24) | |
| FFP transfusion | 0.450 | |
| No | 1 | |
| Yes | 1.56 (0.49–4.96) | |
| Platelets transfusion | 0.383 | |
| No | 1 | |
| Yes | 1.83 (0.47–7.07) |
OR: odds ratio, CI: confidence interval, BMI: body mass index, ASA: American Society of Anesthesiologist physical status, RBC: red blood cell, FFP: fresh frozen plasma. *Overall categories comparison.