Table 3 Pooled results of overall 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 |
|---|---|---|---|---|---|---|---|
Female | 4 | 66/299 | 142/618 | 0.83 | 0.42-1.87 | 0.59 | 65% |
Surgery timing (d) >14 (vs.≦14) | 3 | 32/135 | 48/188 | 0.86 | 0.51-1.46 | 0.58 | 0% |
Bone graft | 4 | 54/252 | 117/730 | 1.74 | 1.17-2.59 | 0.007 | 49% |
Smoking | 10 | 180/681 | 169/963 | 1.90 | 0.97-3.30 | 0.06 | 80% |
Hypertension | 2 | 22/114 | 82/384 | 0.92 | 0.54-1.56 | 0.75 | 0% |
Sanders classification (II.III/IV) | 4 | 37/98 | 134/707 | 3.31 | 2.02-5.44 | <0.00001 | 0% |
Diabetes | 4 | 20/33 | 94/367 | 9.97 | 4.43-23.50 | <0.00001 | 0% |
Drinking | 2 | 26/107 | 48/142 | 0.85 | 0.19-3.76 | 0.83 | 55% |
No drainage | 2 | 63/268 | 15/162 | 5.68 | 2.91-11.09 | <0.00001 | 0% |
Female | 4 | 66/299 | 142/618 | 0.83 | 0.42-1.87 | 0.59 | 65% |