Table 1.
Clinical characteristics of study subjects.
| Clinical characteristics | Total | Without PD | With PD | p |
|---|---|---|---|---|
| (n = 6065) | (n = 4852) | (n = 1213) | ||
| Age, years (mean ± SD) | 62.8 ± 17.1 | 62.8 ± 17.1 | 62.9 ± 17.0 | 0.823 |
| Gender | 1.000 | |||
| Female | 2925 (48.2) | 2340 (48.2) | 585 (48.2) | |
| Male | 3140 (51.8) | 2512 (51.8) | 628 (51.8) | |
| CCI | 1.000 | |||
| 0 | 3405 (56.1) | 2724 (56.1) | 681 (56.1) | |
| 1-2 | 2055 (33.9) | 1644 (33.9) | 411 (33.9) | |
| ≧3 | 605 (10.0) | 484 (10.0) | 121 (10.0) | |
| Depression | 688 (11.3) | 356 (7.3) | 332 (27.4) | <0.001 |
| Hypertension | 2077 (34.2) | 1625 (33.5) | 452 (37.3) | 0.013 |
| Diabetes mellitus | 915 (15.1) | 713 (14.7) | 202 (16.7) | 0.088 |
| Hyperlipidemia | 807 (13.3) | 633 (13.0) | 174 (14.3) | 0.234 |
| Ischemic heart disease | 800 (13.2) | 621 (12.8) | 179 (14.8) | 0.072 |
Note. PD = Parkinson's disease, n = case number, SD = standard deviation, CCI = Charlson comorbidity index, and p = p value. Categorical data were presented as number (%); continuous data were expressed as mean ± standard deviation.