Table 1.

Demographic and clinical characteristics of ALS patients and control subjects.

	ALS Patients (n = 60)	Control Subjects (n = 30)	p-Value
Age, y	54.35 ± 10.87	53.13 ± 10.50	0.506
Sex, male/female	30 (50.0%)/30 (50.0%)	15 (50.0%)/15 (50.0%)
Age of onset, y	52.82 ± 11.33
Disease duration, mo	17.50 (10.00, 33.75)
Onset pattern, bulbar/spinal	12 (20.0%)/48 (80.0%)
Bulbar involvement, yes/no	44 (73.3%)/16 (26.7%)
ALSFRS-R total score	40.00 (36.00, 43.25)
ΔALSFRS-R	0.57 (0.22, 0.88)

Data are presented as the mean ± standard deviation, median (first quartile, third quartile), or N (%). Abbreviations: ALS, amyotrophic lateral sclerosis; ALSFRS-R, Amyotrophic Lateral Sclerosis Functional Rating Scale—Revised.