Table 2.

Comparison of urodynamic indicator of patients ($\overline{x}\pm s$).

Group	Number of cases	Max. urine flow (mL/s)	Max. detrusor systolic pressure (cmH2O)	Bladder compliance (cmH2O)
Before intervention	40	9.67 ± 0.68	13.02 ± 1.02	25.98 ± 1.79
After intervention	40	13.78 ± 1.29	19.78 ± 3.10	35.28 ± 3.20
t	—	18.907	13.895	17.015
p	—	< 0.05	< 0.05	< 0.05