Table 1.

Demographic and clinical features of ALS patients.

	N = 109
Age(years)	52.9 ± 10.1
Sex, n (%)
Male	66 (60.6%)
Female	43 (39.4%)
Duration of ALS symptoms (mo)	15.6 ± 9.7
Bulbar onset, n (%)	36 (33.0%)
ALSFRS-R score	40.2 ± 4.2
ALSSS	10.3 ± 1.7
Poor sleeper, n (%)	68 (62.3%)
EDS, n (%)	17 (15.6%)
RBD, n (%)	11 (10.1%)
Anxiety, n (%)	29 (16.6%)
Depression, n (%)	43 (39.4%)
Riluzole, n (%)	44 (40.3%)

ALS, Amyotrophic lateral sclerosis; ALSFRS-R, revised ALS functional rating scale; ALSSS, Amyotrophic Lateral Sclerosis Severity Scale; EDS, excessive daytime sleepiness; RBD, REM sleep behavior disorder. Values of continuous variables are reported as mean value ± standard deviation and categorical variables are reported as number of cases and proportions.