Clinical and Demographic Characteristics of Study Subjects
| Characteristic | ALS/FTD patients | Controls | P |
|---|---|---|---|
| Sex (n) | 15/13 | 10/3 | 0.279 |
| M | 15 | 10 | |
| F | 13 | 3 | |
| Weight (kg) | 69.4 ± 12.1 | 76 ± 11.8 | 0.115 |
| Height (m) | 1.68 ± 0.10 | 1.73 ± 0.07 | 0.123 |
| Age at PET (y) | 62.6 ± 8.2 | 52.8 ± 13.6 | 0.0035 |
| C9orf72 mutation (n) | 6/28 | 0/13 | — |
| Site of onset (n) | |||
| Bulbar | 5/28 | ||
| Spinal | 11/28 | ||
| Cortical | 12/28 |