Table 5 Follow-up data 1 month and 6 months after surgery in the two groups

1 month after surgery

 IPSS^b

8.2 ± 3.2

7.9 ± 3.3

0.695

 QoL^b

1.8 ± 1.0

1.9 ± 1.0

0.545

 Qmax (ml/s)^b

18.8 ± 4.5

19.1 ± 4.0

0.533

 PVR(ml)^b

6.8 ± 3.9

7.4 ± 2.9

0.334

6 months after surgery

 IPSS^b

7.2 ± 3.1

7.1 ± 3.2

0.985

 QoL^b

1.1 ± 0.8

1.3 ± 0.9

0.420

 Qmax (ml/s)^a

19.7 ± 4.2

19.3 ± 3.6

0.624

 PVR(ml)^b

6.6 ± 3.1

6.5 ± 2.9

0.851