Table 1 Baseline demographic and clinical characteristics

Mean age (years)

38.3 ± 15.0

35.7 ± 16.7

0.408

Male gender, n (%)

32 (63)

37 (66)

0.720

Mean duration of symptoms (months)

24.1 ± 31.2

23.0 ± 26.8

0.845

Preoperative stability of ulnar nerve, n (%)

0.650

 Stable

41 (80)

43 (77)

 Unstable

10 (20)

13 (23)

Dellon grade, n (%)

0.796

 I

9 (18)

11 (20)

 II

27 (53)

26 (46)

 III

15 (29)

19 (34)

MCV at elbow segment (m/s)

39.5 ± 8.4

38.4 ± 8.6

0.50

Surgical procedure, n (%)

<0.001

 Simple decompression

37 (73)

0 (0)

 Anterior transposition

14 (27)

56 (100)

Mean follow-up after operation (months)

30.2 ± 10.8

34.1 ± 13.2

0.105