Table 3 Comparison of Lovett muscle grading of cubital tunnel syndrome patients treated with intraoperative electrical stimulation (ES) and control

1 months after the operation

 I

6 (6.9%)

2 (2.2%)

0.008

 II

23 (26.4%)

14 (15.7%)

 III

30 (34.5%)

20 (22.5%)

 IV

20 (23.0%)

37 (41.6%)

 V

8 (9.2%)

16 (18.0%)

6 months after the operation

 I

0 (0%)

0 (0%)

0.048

 II

15 (17.3%)

9 (10.1%)

 III

31 (35.6%)

21 (23.6%)

 IV

20 (23.0%)

22 (24.7%)

 V

21 (24.1%)

37 (41.6%)