Table 1 Demographic information of ALS patients and healthy controls

n

13

7

Age (years) mean ± SEM

53.85 ± 2.81

57.71 ± 5.73

Range, 38–68

Range, 37–69

Sex (male/female)

12/1

3/4

ALSFRS-R mean ± SEM first visit

30.46 ± 1.93

48.0 ± 0.0

Range, 21–41

ALSFRS-R mean ± SEM second visit

27.25 ± 2.73

N/A

Range, 21–38

Disease duration from onset (months) at first visit mean ± SEM

41.77 ± 7.53

N/A

Range, 11–96

Disease duration from diagnosis (months) at first visit mean ± SEM

21.00 ± 4.44

N/A

Range, 5–53