Table 3.

Comparison of IIEF-5 scores and EMG values before and after operation.

	Range	Mean ± SD	p
IIEF-5 Score
Preoperation	5–25	17.8 ± 6.4
Postoperation 3 month	5–22	6.7 ± 4.0	0.000∗
Postoperation 6 month	5–23	7.9 ± 5.6	0.000∗
Latency, ms
Preoperation	1–3	2.2 ± 0.5
Postoperation 3 month	0–5	0.9 ± 1.5	0.001∗
Postoperation 6 month	0–3	1.2 ± 1.2	0.002∗
Amplitude, mV
Preoperation	2–9	4.3 ± 2.0
Postoperation 3 month	0–17	1.8 ± 4.0	0.003∗
Postoperation 6 month	0–11	3.0 ± 3.4	0.045∗
NCV, m/s
Preoperation	15–65	34.8 ± 13.8
Postoperation 3 month	0–40	8.4 ± 13.7	0.000∗
Postoperation 6 month	0–68	22.2 ± 22.9	0.041∗

EMG = electromyography; IIEF-5 = International Index of Erectile Function-5; NCV = snerve conducting velocity.

^∗p < 0.05.