Table 4 Pooled results of major wound complications for potential risk factors
Potential risk factors | No. of studies | Exposed group | Non-exposed group | Pooled OR | 95% CI | P value | I 2 |
|---|---|---|---|---|---|---|---|
Surgery timing (d) >14 (vs.≦14) | 2 | 15/125 | 13/135 | 1.26 | 0.58-2.74 | 0.57 | 15% |
Smoking | 2 | 12/117 | 15/134 | 0.99 | 0.46-2.17 | 0.99 | 36% |