| Primary outcome | Secondary outcomes | |||
---|---|---|---|---|---|
Study | SSI rate (IG vs CG) | Relative risk (confidence interval) | p value | Mean hospital LOS (IG vs CG) | p value |
Cervantes-Sanchez 2000 [29] | 17.6% (8.6 vs 25.0%)* | 0.34 (0.13 to 0.61) | 0.0006 | n.r. | n.r. |
Al-Ramahi 2006 [30] | 10.2% (10.6 vs 9.8%) | 1.08 (n.r.) | n.r. | 4.4 vs 4 days | n.r. |
Güngördük 2010 [31] | 6.9% (6.5 vs 7.3%) | 0.88 (0.45 to 1.74) | 0.86 | 2.04 vs 2.05 days | 0.67 |
Aslan Cetin 2018 [32] | 13.5% (14.3 vs 12.8%) | 1.12 (n.r.) | 0.762 | n.r. | n.r. |