Comparison 3.

Regimens containing nitroimidazoles versus no nitroimidazoles

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Effectiveness of cure in mild‐moderate PID	5	2427	Risk Ratio (M‐H, Random, 95% CI)	1.01 [0.93, 1.10]
2 Sensitivity analysis by risk of bias: effectiveness of cure in mild‐moderate PID	2	1201	Risk Ratio (M‐H, Random, 95% CI)	1.06 [0.98, 1.15]
3 Effectiveness of cure in severe PID	11	1383	Risk Ratio (M‐H, Fixed, 95% CI)	0.96 [0.92, 1.01]
4 Any antibiotic‐related adverse effect leading to discontinuation	16	3788	Risk Ratio (M‐H, Fixed, 95% CI)	1.00 [0.63, 1.59]