Demographic and clinical characteristics of the patients and controls
| Group/subgroups | n | Age (y) (mean (SD)) | Sex (M/F) |
|---|---|---|---|
| ALS, amyotrophic lateral sclerosis; LMN, lower motor neuron; NPH, normal pressure hydrocephalus; UMN, upper motor neuron. | |||
| Motor neuron disease | |||
| UMN | 5 | 62.0 (7.1) | 4/1 |
| LMN | 43 | 60.1 (10.5) | 30/13 |
| ALS | 97 | 61.1 (11.5) | 62/35 |
| Total | 145 | 60.8 (11.2) | 97/48 |
| Controls | |||
| NPH | 45 | 66.4 (18.0) | 25/20 |