Table 1. Baseline characteristics of the normal individuals stratified by prognosis.
| Persistent normal n = 187 |
Incident MPS n = 94 |
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| Age (year)* | mean (SD) | 72.1 (5.2) | 74.2 (5.5) |
| Sex (women) | n (%) | 106 (56.7) | 60 (63.8) |
| Education (year) | mean (SD) | 10.1 (2.2) | 9.9 (2.1) |
| Exercise habits* | n (%) | 68 (38.9) | 15 (17.2) |
| mUPDRS score | median (IQR) | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) |
| Tanner questionnaire score* | median (IQR) | 0.0 (0.0–1.0) | 1.0 (0.0–3.0) |
| MMSE score | median (IQR) | 28.0 (26.0–29.0) | 27.5 (26.0–29.0) |
| GDS score* | median (IQR) | 2.0 (0.0–3.0) | 3.0 (1.0–5.0) |
| RBDSQ score* | median (IQR) | 1.0 (0.0–3.0) | 2.0 (1.0–3.8) |
| Constipation | n (%) | 28 (16.4) | 18 (21.7) |
| Hyposmia | n (%) | 13 (7.3) | 9 (10.6) |
| Orthostatic hypotension | n (%) | 24 (13.5) | 19 (22.6) |
| PSQI score* | median (IQR) | 3.0 (2.0–4.0) | 3.0 (2.0–5.0) |
| Hypertension | n (%) | 116 (62.0) | 68 (72.3) |
| Dyslipidemia | n (%) | 54 (28.9) | 30 (31.9) |
| Diabetes mellitus | n (%) | 25 (13.4) | 18 (19.1) |
| PVH score* | median (IQR) | 1.0 (0.0–1.0) | 1.0 (1.0–2.0) |
| DWMH score* | median (IQR) | 1.0 (1.0–2.0) | 2.0 (1.0–2.0) |
*Significant (P < 0.05) differences between individuals with persistent normal and incident MPS.