Comparison 2.
Active drain versus passive drain
| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Mortality (30 days) | 1 | Risk Ratio (M‐H, Random, 95% CI) | Totals not selected | |
| 2 Intra‐abdominal infection | 1 | Risk Ratio (M‐H, Random, 95% CI) | Totals not selected | |
| 3 Wound infection | 1 | Risk Ratio (M‐H, Random, 95% CI) | Totals not selected | |
| 4 Morbidity | 1 | Risk Ratio (M‐H, Random, 95% CI) | Totals not selected | |
| 5 Length of hospital stay (days) | 1 | Mean Difference (IV, Random, 95% CI) | Totals not selected | |
| 6 Additional open procedures for postoperative complications | 1 | Risk Ratio (M‐H, Random, 95% CI) | Totals not selected |