Demographic and clinical characteristics of the subject groups
| Healthy | MSA-P | IPD | |
|---|---|---|---|
| Total No. | 44 | 8 | 16 |
| Age range (yr) | 45–80 | 50–82 | 47–80 |
| Age mean (yr) | 59.4 ± 11.8 | 66.7 ± 8.5 | 63.3 ± 10.6 |
| Sex (male/female) | 21:23 | 4:4 | 9:7 |
| Disease duration (r) | NA | 2.3 ± 1.1 | 2.5 ± 1.7 |
Note:—NA indicates not applicable.