Table 3.

GEE Population-Averaged Model of Association Between AT CMAP Amplitude and Longitudinally Assessed Standardized Clinical Measures (n = 27)

Variable	Correlation Coefficient with AT CMAP amplitude	Std err	p-Value	[95% CI]
CMTNS	−0.030	0.085	0.719	−0.19 to 0.14
Pinprick	−0.092	0.274	0.736	−0.63 to 0.44
Vibration	−0.076	0.231	0.741	−0.53 to 0.38
Arm Strength	0.070	0.367	0.848	−0.65 to 0.79
Ulnar CMAP amplitude	0.054	0.110	0.626	−0.16 to 0.27
Leg Strength	−0.806	0.304	0.008	−1.40 to −0.21

Abbreviations: GEE= Generalized estimating equations; AT = Anterior Tibialis; CMAP = compound muscle action potential; CMTNS = Charcot Marie Tooth Neuropathy Score