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Table 3 Analysis of electrophysiological parameters using GDAP1 locus-specific database data

From: A locus-specific database for mutations in GDAP1 allows analysis of genotype-phenotype correlations in Charcot-Marie-Tooth diseases type 4A and 2K

Amplitude (mV)

Conduction Velocity (m/s)

Total

 

MNCV > 40

MNCV 31-40

MNCV ≤ 30

Not recordable

 

CMAP > 6

35 (45%)

2 (15.4%)

0

/

37

CMAP 1.1-6

30 (39%)

5 (23.1%)

0

/

35

CMAP 0.5-1

6 (8%)

3 (23.1%)

0

/

9

CMAP < 0.5

6 (8%)

5 (38.5%)

9 (100%)

/

20

Not recordable

/

/

/

30

30

Total

77

15

9

30

131

  1. Values represent the number of patients for each situation; the corresponding percentages are mentioned in brackets. MNCV: motor nerve conduction velocity; CMAP: compound motor action potential.