Comparison 20. Cephalosporin one gram versus two grams.

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	237	Risk Ratio (M‐H, Fixed, 95% CI)	1.49 [0.25, 8.74]
2 Pelvic infection	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
2.1 Vaginal hysterectomy	1	237	Risk Ratio (M‐H, Fixed, 95% CI)	1.49 [0.25, 8.74]
3 Postoperative fever	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
3.1 Vaginal hysterectomy	1	237	Risk Ratio (M‐H, Fixed, 95% CI)	1.49 [0.43, 5.14]
4 Need for therapeutic antibiotics	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
4.1 Vaginal hysterectomy	1	237	Risk Ratio (M‐H, Fixed, 95% CI)	1.49 [0.25, 8.74]
5 Length of hospital stay	1		Mean Difference (IV, Fixed, 95% CI)	Subtotals only
5.1 Vaginal hysterectomy	1	237	Mean Difference (IV, Fixed, 95% CI)	‐0.10 [‐0.60, 0.40]