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Characteristics of participants at baseline
| Mean | Range | |
|---|---|---|
| Age (years) | 64 | 31–84 |
| Number of participants | 41 (23 men) | -- |
| Duration of disease (months) | 11 | 1–18 |
| ALS-FRS | 39 | 27–48 |
| Number with limb onset | 32 | -- |
| Number of cramps per month | 46±103 | 0–600 |
ALS-FRS, Amyotrophic Lateral Sclerosis-Functional Rating Scale
