Table 1.
Difference of WAB subtests in PD patients and controls a
| PD patients b | Controls c | P-value | ||
|---|---|---|---|---|
| Gender | Men | 18 | 12 | 0.891 |
| Women | 13 | 8 | ||
| Age, y | 63.35 ± 8.84 (44–77) | 64.85 ± 8.27 (51–76) | 0.543 | |
| Formal education, y | 10.74 ± 3.08 | 10.95 ± 2.69 | 0.800 | |
| MoCA total scores | 21.00 ± 4.341 | 25.80 ± 1.642 | 0.000d | |
| HAMD-17 score | 8.42 ± 2.29 | 7.45 ± 2.44 | 0.157 | |
| Subtests of WAB | Spontaneous speech | 18.19 ± 1.92 | 19.75 ± 0.55 | 0.000d |
| Auditory comprehension | 191.10 ± 8.45 | 194.50 ± 2.80 | 0.656 | |
| Repetition | 92.35 ± 4.71 | 97.70 ± 3.37 | 0.000d | |
| Naming | 95.97 ± 4.62 | 98.30 ± 2.27 | 0.078 | |
| Reading | 91.14 ± 9.20 | 95.85 ± 7.05 | 0.061 | |
| Writing | 74.55 ± 13.92 | 89.80 ± 5.98 | 0.000d | |
| Praxis and construction | 80.81 ± 9.76 | 87.80 ± 7.45 | 0.013e | |
| Aphasia quotient | 93.11 ± 4.55 (81.9-99.3) | 98.07 ± 1.75 (95.9-100.0) | 0.000d | |
| Score < 94.5, n (%) | 17 (54.8%) | 0 (0%) | NA | |
| Performance quotient | 34.67 ± 2.65 | 37.26 ± 1.65 | 0.001d | |
| Cortical quotient | 91.03 ± 4.68 | 96.07 ± 2.47 | 0.000d |
aData are expressed as numbers or as mean ± standard deviation, with percentages or ranges in parentheses; bn = 31; cn = 20; d P < 0.01; e P < 0.05.
Levene’s test for equality of variances: MoCA total score F = 8.14, P = 0.007; Spontaneous speech F = 13.76, P = 0.001; Repetition F = 2.52 P = 0.119; Writing F = 13.52, P = 0.001; Praxis and construction F = 2.40 P = 0.129; Aphasia quotient F = 13.65 P = 0.001; Performance quotient F = 2.59 P = 0.106; Cortical quotient F = 6.57 P = 0.014.