Clinical data of PD-MCI and PDD groups
| PD-MCI (n = 19) | PDD (n = 18) | t/χ2/z | P | |
|---|---|---|---|---|
| Age of PD diagnosed (mean) (yr) | 63.34 (SD, 5.53) | 65.73 (SD, 5.98) | −1.262 | .215a |
| Age of PD-MCI or PDD diagnosed (mean) (yr) | 64.33 (SD, 7.96) | 71.10 (SD, 6.26) | −3.060 | .004a** |
| Sex, M/F | 11/8 | 6/12 | 2.245 | .134b |
| Disease duration (yr) | 2 (range, 2.00–3.50) | 3.943 (SD, 2.59) | −2.004 | .052c |
| Education (mean) (yr) | 11.42 (SD, 3.61) | 10.22 (SD, 3.20) | 1.065 | .294a |
| H-Y stage (No.) (%) | – | – | −0.836 | .403c |
| 1 | 6 (31.58) | 5 (27.78) | – | – |
| 1.5 | NA | 1 (5.56) | – | – |
| 2 | 8 (42.11) | 4 (22.22) | – | – |
| 2.5 | 2 (10.53) | 2 (11.11) | – | – |
| 3 | 3 (15.79) | 5 (27.78) | – | – |
| 5 | NA | 1 (5.56) | – | – |
| MMSE (mean) | 26.36 (SD, 1.70) | 19.61 (SD, 3.98) | 6.765 | <.001a** |
| MoCA (mean) | 19.89 (SD, 2.57) | 14.61 (SD, 3.51) | 5.230 | <.001a** |
Note:—** indicates significant difference; NA, not applicable; en dash, no raw data or analyzed data.
↵a Independent t test.
b χ2 tests.
c Mann-Whitney test.