Table 2 Comparison between the two studied groups according to motor and sensory conduction studies of the ulnar nerve

Ulnar motor conduction recorded from ADM

DML (ms)

Min.–max

1.90–3.60

1.80–3.40

t = 1.887

0.063

Median (IQR)

2.70 (2.45–2.85)

2.50 (2.30–2.75)

CMAP amplitude (mv)

Min.–max

4.10–17.50

5.10–17.90

t = 1.958

0.054

Median (IQR)

8.65 (6.4–10.4)

9.55 (7.95–12.75)

MCV forearm (m/s)

Min.–max

49.0–73.20

47.0–75.70

t = 0.655

0.514

Median (IQR)

58.0 (55.0–61.0)

60.45 (57.0–66.0)

MCV across elbow (m/s)

Min.–max

49.0–65.0

53.0–68.0

t = 0.930

0.355

Median (IQR)

52.50 (59.0–61.2)

54.50 (60.0–63.0)

Ulnar motor conduction recorded from 1st DI

DML (ms)

Min–max

2.34–4.3

2.2–4.1

t =  1.571

0.174

Median (IQR)

3.4 (3.1–3.7)

3.3 (2.9–3.5)

CMAP amplitude (mv)

Min.–max

5.1–16.0

6.2–18.3

t = 1.490

0.144

Median (IQR)

10.0 (8.35–12.55)

11.4 (9.2–14.5)

MCV forearm (m/s)

Min.–max

47.5–82.0

49.7–85.0

t = 1.461

0.152

Median (IQR)

57.0 (51.5–65.25)

58.2 (52.4–67.5)

MCV across elbow (m/s)

Min.–max

47.0–78.4

49.0–80.3

t = 1.169

0.250

Median (IQR)

63.5 (56.5–67.1)

64.0 (58.2–68.5)

Ulnar sensory conduction from digit V

PSL (ms)

Min.–max

2.5–3.8

2.2–3.4

t = 3.428

0.001

Median (IQR)

2.9 (2.65–3.1)

2.7 (2.2–3.0)

OPA (uV)

Min–max

10.0–68.0

17.0–79.80

U = 499.50

0.004

Median (IQR)

31.5 (21.05–43.1)

40.70 (32.7–63.9)

SCV (m/s)

Min–max

46.0–72.0

54.0–75.0

t = 4.288

 < 0.001

Median (IQR)

57.0 (50.20–65.50)

60.0 (54.60–70.0)