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The Egyptian Journal of Neurology, Psychiatry and Neurosurgery

Table 3 Comparison of motor and sensory nerve conduction study of upper limbs between patients having idiopathic polyneuropathy and control groups

From: Assessment of intraepidermal nerve fiber density and neurophysiological studies in patients with idiopathic polyneuropathy

 

Patients

N = 40 limb

Control

N = 40 limb

P value

  

Mean ± (SD)

Mean ± (SD)

Median motor

DL (m s)

4.41 ± 1.05

3.6 ± 0.54

0.61

CMAP (M v)

3.21 ± 2.03

4.2 ± 4.87

 < 0.001

NCV (m/s)

53.51 ± 1.53

62.1 ± 6.93

 < 0.001

F-wave (m s)

28.5 ± 4.5

27.3 ± 2.4

0.16

Median sensory

DL (m s)

3.2 ± 0.87

2.5 ± 0.39

0.043

Amplitude (u.v)

7.9 ± 3.1

14.5 ± 3.2

 < 0.001

Ulnar motor

DL (m s)

3.2 ± 3.6

2.99 ± 3.59

0.68

CMAP (M.v)

5.33 ± 0.89

6.02 ± 0.65

0.038

NCV (m/s)

54.8 ± 14.4

59.9 ± 4.54

0.034

F-wave (m s)

27.3 ± 3.23

28.2 ± 2.62

0.17

Ulnar sensory

DL (m s)

2.67 ± 0.54

1.91 ± 0.22

0.031

Amplitude (u.v)

3.7 ± 3.35

6.2 ± 3.22

 < 0.001

  1. DL: distal latency, CMAP (base to peak): compound motor action potential amplitude, NCV: nerve conduction velocity
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