Comparison 4. Shaving with a razor compared with clipping.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
4.1 Surgical site infection	7	3723	Risk Ratio (M‐H, Random, 95% CI)	1.64 [1.16, 2.33]
4.1.1 Body and scalp hair	5	3443	Risk Ratio (M‐H, Random, 95% CI)	1.67 [1.17, 2.38]
4.1.2 Genital hair	2	280	Risk Ratio (M‐H, Random, 95% CI)	0.99 [0.14, 6.91]
4.2 Surgical site infection ‐ sensitivity analysis	4	1457	Risk Ratio (M‐H, Random, 95% CI)	1.55 [1.07, 2.25]
4.3 Skin injury	3	1333	Risk Ratio (M‐H, Random, 95% CI)	1.74 [1.12, 2.71]