Table 3

 Nerve conduction test results according to four triallate score groups

Nerve conduction testTriallate score
015–<525525–<38343834–8728
*p value, F test comparing the means among the four triallate score groups.
†One subject’s sural nerve test results excluded because of technical problems.
‡Two subjects excluded because of technical problems.
§One subject excluded because of technical problems.
Sural nerve peak amplitude (μV)
n tested†36222120
Range3.2–31.95.3–38.70.0–27.74.0–47.9
Median12.510.610.99.8
Mean (SD)15.1 (8.0)13.4 (8.4)11.8 (6.0)12.3 (9.6)
p*0.43
Sural nerve peak-to-peak amplitude (μV)
n tested†36222120
Range4.0–47.73.7–26.80.0–41.34.7–104.3
Median13.310.512.212.0
Mean (SD)17.5 (11.0)12.4 (6.8)15.4(9.5)16.2 (21.3)
p*0.54
Sural nerve velocity (μV)
n tested†36222120
Range35.4–58.340.0–66.70.0–58.333.3–62.2
Median49.649.148.348.7
Mean (SD)48.7 (5.0)50.2 (6.2)46.8 (11.9)48.4 (6.6)
p*0.52
Peroneal nerve amplitude, ankle (mV)
n tested‡36222119
Range1.1–10.50.5–10.21.2–9.90.2–11.6
Median4.83.94.44.1
Mean (SD)4.7 (2.2)4.7 (2.8)4.8 (2.2)4.6 (2.9)
p*0.99
Peroneal nerve amplitude, fibular neck (mV)
n tested§36222120
Range1.5–8.10.5–9.41.5–9.10.4–11.6
Median4.04.44.43.9
Mean (SD)4.4 (1.8)4.6 (2.7)4.7 (2.0)4.5 (2.8)
p*0.98
Peroneal nerve velocity (m/s)
n tested36222121
Range38.7–55.636.5–53.941.5–53.539.2–56.1
Median48.249.148.447.6
Mean (SD)48.0 (3.9)47.9 (4.7)48.0 (3.4)47.5 (4.4)
p*0.96