Comparison 4. Cranberry (dose: ≥ 2/day) versus placebo.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Symptomatic UTI	3		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected
1.1 Pregnant women	1		Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
1.2 Elderly men and women	1		Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
1.3 Adult women	1		Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
2 Adverse effects	2		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected
2.1 Vomitting	1		Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
2.2 Nausea	1		Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
2.3 Diarrhoea	1		Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
2.4 Gastroenteritis	1		Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
2.5 Stomach burn and general weakness	1		Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]