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

Table 3

Parameters of fasciculation potentials (FPs) in ALS with MRC5 and PNH.

Number of FPs	G1; ALS-MRC 5 without partial denervation	G2; ALS-MRC 5 with partial denervation	G3; PNH FPs
	149	129	183
Amplitude (μV)	477.50 (95-4681)	423.00 (85-4998)	333.00 (90-2300)	G1 vs. G3,; G2 vs. G3,; G1 vs. G2, 0.549
Duration (ms)	16.4 (6.3-27.7)	15.48 (5.6-25.6)	13.56 (4.7-27.0)	G1 vs. G3, 0.002; G2 vs. G3, 0.004; G1 vs. G2, 0.740
Number of phases	4.3 (1-10)	4.37 (2-16)	3.39 (1-9)	G1 vs. G3,; G2 vs. G3,; G1 vs. G2, 0.874
Number of turns	3.91 (0-15)	4.41 (0-16)	2.73 (0-10)	G1 vs. G3,; G2 vs. G3,; G1 vs. G2, 0.424
Area (mVms)	0.96 (0.1-13.5)	0.95 (0.1-11.0)	0.49 (0.1-5.2)	G1 vs. G3,; G2 vs. G3,; G1 vs. G2, 0.741
Polyphasic (%)	46.98	51.94	26.23	G1 vs. G3,; G2 vs. G3,; G1 vs. G2,
FP frequency (Hz)	2.50 (0.5-7.8)	2.88 (1.0-8.3)	7.15 (5.5-40.0)	G1 vs. G3, 0.008; G2 vs. G3, 0.002; G1 vs. G2, 0.681

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