Table. Clinical and Demographic Features of Patients With Amyotrophic Lateral Sclerosis and Control Participants.
| Characteristic | Participants With ALS | Healthy Control Participants |
|---|---|---|
| Total | 33 | 38 |
| Age, mean (SD), y | 58.9 (10.9) | 55.7 (11.1) |
| Sex, No. (%) | ||
| Male | 24 (73) | 17 (45) |
| Female | 9 (27) | 21 (55) |
| Amyotrophic lateral sclerosis diagnosis,a No. (%) | ||
| Definite | 12 (36) | NA |
| Probable | 9 (27) | NA |
| Possible | 12 (36) | NA |
| Site of disease onset No. (%) | ||
| Limb | 20 (61) | NA |
| Bulbar | 13 (39) | NA |
| ALSFRS-R score, median (range) | 43 (18-48) | NA |
| Disease duration, mo, median (range) | 14 (4-8) | NA |
| Disease progression rate, point/mo, median (range) | 0.36 (0-1.9) | NA |
Abbreviations: ALSFRS-R, Amyotrophic Lateral Sclerosis Functional Rating Scale; NA, not applicable.
a
Diagnosis of ALS was completed with the revised El Escorial criteria.26