Of the 15 subjects with left sided CTS, 10 were classified as mild, three as moderate, and two as severe. Table 2 shows conduction velocities and distal latencies (mean and SD) for the median and ulnar nerves in the CTS and no CTS groups. Numbness correlated with sensory NCV of the median nerve (right hand: r=0.679, p<0.001, left hand: r=0.530, p<0.01). Exposure time correlated with motor NCV in the left ulnar nerve (r=-0.519, p<0.01) but not the right (r= -0.315, p=ns). In subjects with CTS we found a correlation with VWF and sensory NCV in both median nerves (right: r=0.598, p<0.01, left: r=0.586, p<0.01). CTS correlated significantly with the increase of the vibrotactile threshold in the left hand (n= 15).
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