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. 2020 Nov 2;8:e10052. doi: 10.7717/peerj.10052

Table 1. Demographic and clinical characteristics of the ALS patients and HCs.

Variables ALS (n = 54) HC (n = 54) p value
Gender (female/male) 18/36 18/36 1a
Age (years) 48.71 ± 10.21 48.30 ± 8.74 0.82b
Gray matter 649.56 ± 2842.17 668.23 ± 3251.82 0.08b
Disease duration (months) 20.93 ± 21.56
ALSFRS-R 32.56 ± 6.83
Disease progression rate 1.28 ± 1.15

Notes.

Values are mean ± variance.

ALS
Amyotrophic Lateral Sclerosis
HC
Healthy Control
ALSFRS-R
ALS Functional Rating Scale-revised

Disease progression rate, (48-ALSFRS-R score)/time from symptom onset.

a

The p value was obtained by Chi-square t-test.

b

The p value was obtained by two-sample t-test.