Fig 1.
PRISMA flow diagram.
Table 1.
Characteristics of all studies included in meta-analysis.
Fig 2.
Meta-analysis of effective sizes in prostate specific antigen (PSA), International Prostate Symptom Score (IPSS), prostate volume and maxima urinary flow rate (Qmax).
Fig 3.
Cumulative analysis of effective sizes in prostate volume, International Prostate Symptom Score (IPSS), and maxima urinary flow rate (Qmax).
Table 2.
Ratio of means meta-analysis of the efficacy of placebo group.
Table 3.
Meta-analysis and meta-regression of effective sizes in adverse events.