The mean Q max in patients reporting bladder-emptying problems was 14 ml/s, and the mean post-void residual (PVR) was 50±15.0 ml. After surgery, the mean Q max increased to 27.6 ml/s. The PVR after surgery decreased to 30±5.0 ml. The number of patients with bladder outlet obstruction symptoms decreased to 17 (16.19%)..