Comparison 3. Failure to eradicate (follow‐up: one to two weeks).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Ciprofloxacin versus placebo	1	42	Risk Ratio (M‐H, Fixed, 95% CI)	0.03 [0.00, 0.42]
2 Rifampin versus placebo	5	495	Risk Ratio (M‐H, Fixed, 95% CI)	0.20 [0.14, 0.29]
3 Minocycline versus placebo	2	382	Risk Ratio (M‐H, Random, 95% CI)	0.37 [0.10, 1.31]
4 Penicillin versus placebo	2	386	Risk Ratio (M‐H, Fixed, 95% CI)	0.63 [0.51, 0.79]
5 Other antibiotics versus placebo	3		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
6 Rifampin versus ciprofloxacin	2	218	Risk Ratio (M‐H, Fixed, 95% CI)	0.31 [0.09, 1.11]
7 Rifampin versus ceftriaxone	1	91	Risk Ratio (M‐H, Fixed, 95% CI)	5.93 [1.22, 28.68]
8 Rifampin versus minocycline	2	419	Risk Ratio (M‐H, Fixed, 95% CI)	1.01 [0.57, 1.77]