Comparison 1. Pygeum africanum vs. placebo.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Symptoms improvement: Overall improvement/Global assessment/MD rating	5	430	Risk Ratio (M‐H, Random, 95% CI)	2.07 [1.40, 3.06]
2 Nocturia (times per evening)	3	325	Mean Difference (IV, Random, 95% CI)	‐0.91 [‐1.95, 0.14]
3 Peak urine flow (mL/sec)	4	363	Mean Difference (IV, Random, 95% CI)	2.50 [0.29, 4.71]
4 Residual volume (mL)	2	264	Mean Difference (IV, Random, 95% CI)	‐13.17 [‐23.34, ‐2.99]