Research Article

Characterization of Fasciculation Potentials (FPs) in Amyotrophic Lateral Sclerosis (ALS) and Peripheral Nerve Hyperexcitability Syndromes (PNH)

Table 2

Parameters of fasciculation potentials (FPs) in ALS and PNH.

Number of FPsALS FPsPNH FPs
783183

Amplitude (μV)508.00 (85-6080)333.00 (90-2300)
Duration (ms)15.73 (0.9-30)13.56 (4.7-27.0)
Number of phases4.32 (1-16)3.39 (1-9)
Number of turns4.25 (0-22)2.73 (0-10)
Area (mVms)0.994 (0.1-25.6)0.49 (0.1-5.2)
Polyphasic (%)48.1526.23
FP frequency (Hz)3.02 (0.3-20.0)7.15 (5.5-40.0)0.002

The data were shown as the median (range). ALS: amyotrophic lateral sclerosis; PNH: peripheral nerve hyperexcitability syndrome; MRC: medical research council.