Table 3 Motor, cognitive and depressive scale scores in parkinsonian group (PG) and non-parkinsonian group (NPG)

UPDRSm score^a

n: 65

32.0(21.5–47.0)

n: 363

3.0(1.0–8.0)

 < 0.001*

MMSE Score^a

n: 59

n: 526

18.0(13.0–21.0)

22.0(18.0–25.0)

 < 0.001*

Category fluency score^a

n: 59

n: 519

7.0(5.0–10.0)

11.0(8.0–14.0)

 < 0.001*

Clock drawing score^a

n: 59

n: 490

1.0(1.0–4.0)

5.0(2.0–8.0)

 < 0.001*

FMT delay recall score^a

n: 59

n: 518

4.0(2.0–7.0)

7.0(5.0–8.0)

 < 0.001*

FMT recognition score^a

n: 59

n: 503

8.0(3.0–10.0)

10.0 (9.0–10.0)

 < 0.001*

Cognitive status^b

n_: 65

n_: 542

 < 0.001*

 1. Cognitively healthy

11 (16.9%)

257 (47.4%)†

 2. CIND

17 (26.1%)

113 (20.8%)

 3. Dementia

37 (56.9%)†

90 (16.6%)

 4. Undetermined

0 (0.0%)

82 (15.1%)†

GDS total score^a

n: 52

6.0(4.0–9.0)

n: 502

3.0(1.0–5.0)

 < 0.001*