Fig 1.
Search methods and inclusion criteria.
Table 1.
General characteristics of included studies.
Table 2.
Methodological qualities of included studies.
Fig 2.
Forest plot diagram showing the effect of low-dose tamsulosin on total International Prostate Symptom Score (IPSS) (a), storage IPSS (b), quality of life (QoL) (c), maximal urinary flow rate (Qmax) (d), and post-voided residual volume (PVR) (e).
Total IPSS and Qmax showed no significant improvement. Storage IPSS and QoL showed significant improvement and PVR showed significant increase. The black diamond signifies that the mean difference is in favor of IPSS. The size of each square depends on the weight of each study. All data provided are for continuous outcomes.
Fig 3.
Sensitivity analysis for storage IPSS and PVR in the storage symptom dominant groups.
Storage IPSS showed significant improvement in both group, but SMD was greater in tamsulosin and solifenacin group. The size of each square depends on the weight of each study. All data provided are for continuous outcomes.
Table 3.
Meta-regression of storage IPSS and PVR.
Fig 4.
Funnel plot with peusdo 95% confidence limits of total IPSS.