Research Article

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

Table 4

Parameters of fasciculation potentials (FPs) in ALS with different muscle strength and PNH.

Number of FPsG1
ALS-MRC 5
G2
ALS-MRC 4
G3
ALS-MRC 3
G4
PNH FPs
278373132183

Amplitude (μV)445.00 (85-4998)572.00 (89-4681)445.50 (40-6080)333.00 (90-2300)G1 vs. G4,
G2 vs. G4,
G3 vs. G4,
G1 vs. G2, 0.001
G1 vs. G3, 0.912
G2 vs. G3, 0.006
Duration (ms)15.73 (5.6-27.7)15.63 (9-15.0)16.35 (7.8-27.0)13.56 (4.7-27.0)G1 vs. G4,
G2 vs. G4,
G3 vs. G4,
G1 vs. G2, 0.639
G1 vs. G3, 0.243
G2 vs. G3, 0.277
Number of phases4.34 (1-16)4.35 (1-16)4.18 (2-14)3.39 (1-9)G1 vs. G4,
G2 vs. G4,
G3 vs. G4,
G1 vs. G2, 0.827
G1 vs. G3, 0.675
G2 vs. G3, 0.529
Number of turns4.15 (0-16)4.47 (0-22)3.90 (1-13)2.73 (0-10)G1 vs. G4,
G2 vs. G4,
G3 vs. G4,
G1 vs. G2, 0.128
G1 vs. G3, 0.610
G2 vs. G3, 0.066
Area (mVms)0.96 (0.1-13.5)1.04 (0.1-13.3)0.96 (0.1-25.6)0.49 (0.1-5.2)G1 vs. G4,
G2 vs. G4,
G3 vs. G4,
G1 vs. G2, 0.034
G1 vs. G3, 0.333
G2 vs. G3, 0.478
Polyphasic (%)49.2848.7943.9426.23G1 vs. G4,
G2 vs. G4,
G3 vs. G4,
G1 vs. G2,
G1 vs. G3,
G2 vs. G3,
FP frequency (Hz)2.88 (0.5-8.3)3.60 (0.5-12.5)1.20 (0.3-20.0)7.15 (5.5-40.0)G1 vs. G4, 0.001
G2 vs. G4, 0.004
G3 vs. G4, 0.018
G1 vs. G2, 0.356
G1 vs. G3, 0.542
G2 vs. G3, 0.452

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