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Table 2 Motor conduction study of the repaired median and ulnar nerves

From: Evaluation of outcome after primary median and/or ulnar nerve(s) repair at wrist: clinical, functional, electrophysiologic, and ultrasound study

 

Median nerve (n = 18)

Ulnar nerve

(n = 19)

Combined median and ulnar (n = 3)

Distal latency (ms)

  

Median nerve

Ulnar nerve

 Min.–max.

4.2–9.5

3.9–7.3

4.9–6.5

3.6–4.5

 Median

4.5

4.0

5.3

3.9

CMAP amplitude (mV)

 

 Min.–max.

0–3.6

0–3.5

3.5–4.1

2.5–3.2

 Median

1.0

1.0

3.6

2.7

% of regeneration

(min–max) (compared to the healthy side)

13.65%

0–32.7

11.1%

0–31.8

23%

20–32

27%

22.8–34

NCV (m/s)

 Min.–max.

(46–55)

(47–58)

42-50

47-58

 Median

47.0

52.0

47.5

51.4

  1. ms millisecond, mV millivolt, m/s meter per second, CMAP compound muscle action potential, NCV nerve conduction velocity