Table 1. Participant characteristics.
| Averages | ALS (n=97) | 2nd visit (n=24) | Healthy controls (n=27) |
|---|---|---|---|
| Age at collection (±SD) | 62.58 (±12.28) | 60.04 (±8.22) | 56 (±14.60) |
| Male, n (%) | 59 (60.8%) | 13 (54%) | 11 (41%) |
| Familial, n (%) | 5 (5.15%) | 3 (12.5%) | |
| ALSFRS-R (±SD) | 36.48 (±7.58) | 37.95 (±7.56) | |
| Urine creatinine | 1.00 (±0.52) | 0.95 (±0.41) | 0.94 (±0.48) |
| Osmolality (mOsm/kg H2O) | 521.76 (±195.62) | 553.54 (±221.06) | 471.72 (±177.66) |
| Predicted disease duration at the time of recruitment (months) | 21.9 (±19.99) | ||
| Death by end of the study (%) | 62 (63.91%) | 9 (37.5%) | 0 (0%) |
ALS, amyotrophic lateral sclerosis; ALSFRS-R, Revised ALS Functional Rating Scale.