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The Egyptian Journal of Neurology, Psychiatry and Neurosurgery

Table 2 Electrophysiological findings in the patient and control groups

From: Value of MUNE versus compound muscle action potential in assessing motor unit loss in patients with carpal tunnel syndrome

Parameter

Patients n = 70

Controls n = 56

p value

Median sensory peak latency, ms

4.82 ± 2.04

3.25 ± 0.26

< 0.001

Median sensory amplitude, µV

28.28 ± 18.51

44.1 ± 30.88

< 0.001

Median sensory CV, m/s

30.49 ± 6.52

53.38 ± 5.19

< 0.001

Median motor distal latency, ms

4.48 ± 1.17

3.4 ± 0.43

< 0.001

Median motor amplitude, mV

6.33 ± 2.78

8.11 ± 2.29

< 0.001

Medan motor CV, m/s

48.51 ± 9.91

61.36 ± 6.14

< 0.001

Median f-wave latency, ms

28.82 ± 3.15

26.63 ± 2.65

< 0.001

Incremental MUNE

111 (13–387)

192.5 (134–317)

< 0.001

aMPS MUNE

133 (24–351)

248.5 (179–416)

< 0.001

  1. Electrophysiological data presented as mean ± SD or median and range; CV = conduction velocity; MUNE = motor unit number estimation; aMPS = adapted multipoint stimulation
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