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Table 4 Comparison of motor and sensory nerve conduction study in the lower limbs in patients and controls

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)

Tibial motor

DL (m s)

5.9 ± 1.19

4.2 ± 0.54

 < 0.001

CMAP (MV)

6.51 ± 0.37

9.3 ± 4.7

 < 0.001

NCV(m/s)

41.2 ± 1.65

48.5 ± 1.86

0.001

F-wave (m s)

49.6 ± 4.59

48.7 ± 3.69

0.29

Sural sensory

DL (m s)

4.08 ± 2.28

3.70 ± 1.26

0.031

Amplitude (u.v)

6.7 ± 3.12

13.6 ± 4.6

 < 0.001

Peroneal motor

DL (m s)

5.2 ± 1.47

4.19 ± 0.58

 < 0.001

CMAP (MV)

3.85 ± 2.35

5.7 ± 0.86

 < 0.001

NCV (m/s)

44.9 ± 6.24

48.2 ± 1.71

 < 0.001

F-wave (m s)

44.31 ± 7.59

44.89 ± 6.15

0.68

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