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Table 1: 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 .215^{^a}
Age of PD-MCI or PDD diagnosed (mean) (yr) 64.33 (SD, 7.96) 71.10 (SD, 6.26) −3.060 .004^{^a}**
Sex, M/F 11/8 6/12 2.245 .134^b
Disease duration (yr) 2 (range, 2.00–3.50) 3.943 (SD, 2.59) −2.004 .052^c
Education (mean) (yr) 11.42 (SD, 3.61) 10.22 (SD, 3.20) 1.065 .294^{^a}
H-Y stage (No.) (%) – – −0.836 .403^c
 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 <.001^{^a}**
MoCA (mean) 19.89 (SD, 2.57) 14.61 (SD, 3.51) 5.230 <.001^{^a}**
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.