Table 1.
Baseline demographics and characteristics
| Variable | Total N=66 |
| Age, years | |
| Median | 56.5 |
| Range | 36–75 |
| Sex, n (%) | |
| Male | 47 (71.2) |
| Female | 19 (28.8) |
| Weight, kg | |
| Mean (SD) | 76.7 (15.9) |
| BMI, kg/m2 | |
| Mean (SD) | 25.6 (4.0) |
| Race, n (%) | |
| Caucasian | 61 (92.4) |
| Asian | 3 (4.5) |
| Black | 1 (1.5) |
| Other | 1 (1.5) |
| Disease duration from symptom onset, months | |
| Median | 21.2 |
| Range | 12–48 |
| Sitting SVC % of predicted | |
| Mean (SD) | 75.3 (9.1) |
| Supine SVC % of predicted | |
| Mean (SD) | 73.3 (14.0) |
| ALSFRS-R | |
| Mean (SD) | 36.7 (5.4) |
| Site of disease onset, n (%) | |
| Spinal | 55 (83.3) |
| Bulbar | 11 (16.7) |
| Treated with riluzole, n (%) | 66 (100) |
ALSFRS-R, Amyotrophic Lateral Sclerosis Functional Rating Scale-Revised; BMI, body mass index; SVC, slow vital capacity.