Comparison 15. Penicillin + antiprotozoal versus penicillin only.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Total postoperative infections ‐ early and late	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
1.1 Vaginal hysterectomy	1	18	Risk Ratio (M‐H, Fixed, 95% CI)	1.25 [0.09, 17.02]
1.2 Abdominal hysterectomy	1	109	Risk Ratio (M‐H, Fixed, 95% CI)	1.47 [0.57, 3.75]
2 Abdominal wound infection	2		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
2.1 Abdominal hysterectomy	2	155	Risk Ratio (M‐H, Fixed, 95% CI)	0.94 [0.25, 3.59]
3 Urinary tract infection	2		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
3.1 Vaginal hysterectomy	1	18	Risk Ratio (M‐H, Fixed, 95% CI)	1.25 [0.09, 17.02]
3.2 Abdominal hysterectomy	2	155	Risk Ratio (M‐H, Fixed, 95% CI)	2.00 [0.80, 4.97]
4 Postoperative fever	2		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
4.1 Abdominal hysterectomy	2	155	Risk Ratio (M‐H, Fixed, 95% CI)	0.96 [0.20, 4.50]
5 Length of hospital stay	1		Mean Difference (IV, Fixed, 95% CI)	Subtotals only
5.1 Vaginal hysterectomy	1	78	Mean Difference (IV, Fixed, 95% CI)	‐1.60 [‐3.11, ‐0.09]