Fig 1.
PRISMA Flow Diagrame.
Table 1.
The characteristics of the included studies.
Fig 2.
Quality assessment of individual study.
Fig 3.
Forest plot of the mean changes in OABSS before and after treatment.
Fig 4.
Forest plot of the mean changes in Q1-Q4 before and after treatment.
Fig 5.
Forest plot of the mean changes in PVR before and after treatment.
Fig 6.
Forest plot of RR of adverse events after medication.
Fig 7.
Forest plot of RR of the incidence of constipation.
Fig 8.
Forest plot of RR of the incidence of dry mouth.