Table 2.
Single cognitive domains study in PD‐NCI and PD‐MCI group
| Cognitive domains | Neuropsychological test | PD‐NCI (n = 9) | PD‐MCI (n = 9) | P‐value |
|---|---|---|---|---|
| Attention & working memory assessment | Digit span backward | 5.00 ± 1.32 | 4.33 ± 0.50 | 0.176 |
| Stroop color test | 22.9 ± 7.8 | 27.0 ± 9.6 | 0.334 | |
| Executive functions | Semantic verbal fluency (animal naming task) | 16.2 ± 3.7 | 12.1 ± 2.2 | 0.011a |
| Ten points Clock‐drawing test | 9.44 ± 0.73 | 8.56 ± 1.51 | 0.131 | |
| Language | WAIS‐IV Similarities test | 6.89 ± 1.97 | 9.78 ± 1.72 | 0.004b |
| Boston Naming Test | 25.9 ± 2.7 | 20.8 ± 3.9 | 0.005b | |
| Memory | Hopkins Verbal Learning Test (immediate recall) | 6.63 ± 1.50 | 6.86 ± 1.56 | 0.762 |
| Hopkins Verbal Learning Test (delayed recall) | 7.78 ± 1.39 | 7.33 ± 1.87 | 0.576 | |
| Hopkins Verbal Learning Test (recognition) | 19.4 ± 4.4 | 19.4 ± 3.00 | 1.000 | |
| WAIS‐IV Logical Memory test | 22.1 ± 2.6 | 13.2 ± 4.0 | 0.000b | |
| Visuospatial function | Hooper Visual Organization test | 19.4 ± 4.4 | 14.3 ± 5.3 | 0.039a |
| Benton's Judgment of Line Orientation | 28.5 ± 1.00 | 24.7 ± 4.7 | 0.032b |
All values were expressed as mean ± SD.
a
Indicates group differences at a significance level of P < 0.05 when compared with PD‐NCI group.
b
Indicates group differences at a significance level of P < 0.01 when compared with PD‐NCI group.