Table I. Demographic data of participating subjects.
| Training set |
Validation set |
||||
|---|---|---|---|---|---|
| Con | PD | Con | PD | AD | |
| Subject number | 30 | 30 | 40 | 40 | 38 |
| Agea (range) | 65.9 ± 13.6 (42–89) | 60.3 ± 10.8 (41–80) | 66.8 ± 8.3 (55–87) | 64.6 ± 9.7 (45–83) | 69.0 ± 8.4 (52–82) |
| Sex (male:female) | 20:10 | 22:8 | 25:15 | 25:15 | 20:18 |
| UPDRS motora (range) | 19.7 ± 11.8 (1–54) | 22.7 ± 12.5 (6–50) | – | ||
| MMSEa (range) | 29.3 ± 1.2 (26–30) | 28.2 ± 3.5 (11–30) | 17.7 ± 5.8 (5–27) | ||
| Disease duration, yeara (range) | 6.9 ± 6.2 (1–22) | 8.8 ± 7.7 (1–42) | 6.4 ± 2.7 (1–14) | ||
a Mean±S.D.
AD, Alzheimer disease; Con, healthy control; MMSE, Mini Mental State Examination; PD, Parkinson disease; UPDRS, Unified Parkinson's Disease Rating Scale.