Table 1

Electrophysiological results

Nerves Segments MNCV
(m/s)
CMAP amplitude
(mV)
DL
(ms)
TLI
(normal⩾0.34)
SNCV
(m/s)
SNAP amplitude (μV)
Left peronealLeg31.82.95.90.39
Knee38.81.9
Right peronealLeg33.83.65.20.43
Knee282.9
Left medianForearm34.26.03.90.37
Palm wrist4331.0
Right medianForearm317.05.80.27
Palm wrist4017.2
Left ulnarForearm43.86.12.90.39
Elbow43.36.1
Palm wrist41.317.7
Right ulnarForearm40.27.23.50.49
Elbow52.66.0
Palm wrist43.315.5
Right suralLower leg-ankleND0
Left suralLower leg-ankleND0
  • ND=not determinable; average (SD) control values: MNCV, median=55 (4.5), DL=3.8 (0.4), CMAP amplitude=12 (2.4); ulnar=54.6 (3.6), DL=2.6 (0.3), CMAP amplitude=9.5 (2.5); peroneal : 49 (5.5), DL=4.5 (0.6), CMAP amplitude=6.3 (1.6); SNCV, median=52 (3.5); SNAP amplitude=12.5 (3.4); sural=48 (4); SNAP amplitude=16 (4.5).