Table 1. Demographic data.
| Demographic data | Parkinson's disease patients | Healthy controls | Hemifacial spasm patients | p-value |
| (n = 200) | (n = 150) | (n = 75) | (K-W or chi-square) | |
| Age (mean ± SD) a [min, max] | 64.4±9.7 [39, 84] | 60.7±11.3 [35, 87] | 62.2±11.1 [31, 85] | 0.004 |
| Sex (% male) | 54.5 | 52.0 | 49.3 | 0.730 |
| Hypertension (%) a, b | 41.5 | 29.3 | 46.7 | 0.017 |
| Hyperlipidemia (%) | 33.5 | 24.7 | 33.3 | 0.170 |
| Diabetes mellitus (%) a, b | 18.0 | 7.3 | 16.0 | 0.014 |
| Ischemic heart disease (%) | 7.5 | 6.0 | 4.0 | 0.557 |
a
Significant difference between healthy control group and PD patient group (p<0.05).
b
Significant difference between control group and disease control group (p<0.05).