Table 2.
Comparison of neuropsychological performance of the Anhui and Yunnan samples by individual test, ability domains, and mean scaled score using combined scaled scores
| NP domain | Anhui N =141 | Yunnan N =201 | ||
|---|---|---|---|---|
| NP test | Mean (SD) | Mean (SD) | p | Cohen’s d |
| Executive function | 9.0 (1.9) | 10.7 (2.3) | <.0001 | .81 |
| Color Trails 2 | 8.7 (2.5) | 10.9 (3.0) | <.0001 | .80 |
| Halstead Category Test | 9.4 (2.7) | 10.4 (3.2) | <.01 | .34 |
| WCST (total errors) | 8.7 (2.7) | 10.9 (2.9) | <.0001 | .79 |
| Verbal Fluency | 8.5 (1.9) | 11.0 (2.7) | <.0001 | 1.07 |
| Animal Fluency (Semantic) | 8.6 (2.4) | 10.9 (2.9) | <.0001 | .86 |
| Action Fluency (Verb) | 8.5 (2.4) | 11.0 (3.1) | <.0001 | 1.0 |
| Attention/WM | 9.2 (2.4) | 10.6 (2.6) | <.0001 | .56 |
| PASAT-50 (total correct) | 8.9 (2.7) | 10.8 (3.0) | <.0001 | .67 |
| WMS-III Spatial Span | 9.5 (3.0) | 10.4 (3.2) | <.02 | .29 |
| Learning | 8.5 (2.3) | 11.0 (2.4) | <.0001 | 1.06 |
| HVLT-R Learning (3 trials) | 8.2 (2.7) | 11.2 (2.5) | <.0001 | 1.15 |
| BVMT-R Learning (3 trials) | 8.9 (2.7) | 10.7 (3.0) | <.0001 | .63 |
| Memory | 8.6 (2.2) | 10.9 (2.3) | <.0001 | 1.02 |
| HVLT-R Delayed Recall | 8.4 (2.6) | 11.1 (2.7) | <.0001 | 1.02 |
| BVMT-R Delayed Recall | 8.9 (2.8) | 10.7 (2.8) | <.0001 | .70 |
| Motor | 9.1 (2.6) | 10.6 (2.6) | <.0001 | .58 |
| GPT (dominant hand) | 8.8 (2.8) | 10.8 (2.8) | <.0001 | .71 |
| GPT (non-dominant hand) | 9.5 (3.0) | 10.3 (3.0) | <.01 | .27 |
| SIP | 8.3 (1.7) | 11.2 (2.1) | <.0001 | 1.52 |
| WAIS-III Digit Symbol | 8.2 (2.5) | 11.2 (2.7) | <.0001 | 1.15 |
| WAIS-III Symbol Search | 7.5 (2.1) | 11.7 (2.2) | <.0001 | 1.95 |
| Trail-Making Test A | 8.5 (2.3) | 11.0 (3.0) | <.0001 | .94 |
| Color Trails 1 | 8.3 (2.5) | 11.2 (2.7) | <.0001 | 1.11 |
| Stroop Color (90 s) | 8.9 (2.8) | 10.7 (3.0) | <.0001 | .62 |
| Mean scaled score | 8.7 (1.4) | 10.9 (1.8) | <.0001 | 1.36 |
Note. Data are scaled score means and standard deviations; WM =Working memory; SIP =Speed of information processing; WAIS-III =Wechsler Adult Intelligence Scale-Third Edition.