Table 1.
Demographics and standardized neuropsychological tests for NC, SCD, MCI
| Index | NC (n = 147) | SCD (n = 102) | MCI (n = 158) | F(P value) |
|---|---|---|---|---|
| Demographics | ||||
| Age (years) | 66.3 ± 8.3 | 66.5 ± 9.5 | 66.6 ± 8.7 | 0.048 (0.953) |
| Education (years) | 13.2 ± 2.9 | 12.1 ± 3.1# | 12.2 ± 3.1* | 5.684 (0.004) |
| Sex(M:F) | 64:83 | 40:62 | 83:75 | 4.983 (0.084) |
| Neuropsychological | ||||
| AVLT delayed recall | 6.1 ± 1.9 | 3.5 ± 1.1## | 0.8 ± 1.1**†† | 468.601(< 0.001) |
| AVLT recognition | 21.5 ± 2.2 | 19.7 ± 2.4## | 16.6 ± 3.8**†† | 101.097(< 0.001) |
| Rey CFT copy | 33.3 ± 3.1 | 32.2 ± 5.4 | 30.7 ± 6.1** | 10.344(< 0.001) |
| Rey CFT recall | 16.0 ± 6.1 | 12.9 ± 6.7## | 8.2 ± 6.2**†† | 57.607(< 0.001) |
| TMT-A | 53.9 ± 24.5 | 61.8 ± 37.0 | 76.6 ± 46.3**†† | 14.094(< 0.001) |
| TMT-B | 132.5 ± 59.1 | 149.2 ± 62.7 | 194.8 ± 94.8**†† | 26.189(< 0.001) |
| SCWT-CR | 46.0 ± 5.1 | 44.6 ± 6.0 | 40.3 ± 9.9**†† | 22.848(< 0.001) |
| SCWT-CT | 76.6 ± 20.8 | 85.3 ± 24.6 | 99.4 ± 48.7**†† | 18.150(< 0.001) |
| BNT | 24.2 ± 4.1 | 23.4 ± 3.5 | 21.5 ± 4.2**†† | 17.217(< 0.001) |
| AFT | 16.9 ± 4.3 | 16.0 ± 4.1 | 13.9 ± 4.1**†† | 14.343(< 0.001) |
| SDMT | 38.9 ± 11.8 | 36.0 ± 12.5 | 29.5 ± 11.1**†† | 24.839(< 0.001) |
| PrM | 14.2 ± 4.2 | 12.0 ± 4.8## | 7.2 ± 5.6**†† | 73.337(< 0.001) |
| DOT | 4.9 ± 1.5 | 4.8 ± 1.0 | 3.9 ± 1.4**†† | 23.177(< 0.001) |
Comparations between NC and SCD are marked behind SCD, # for P < 0.05, ## for P < 0.01
Comparations between NC and MCI are marked behind MCI, * for P < 0.05, ** for P < 0.01
Comparations between SCD and MCI are marked behind MCI, † for P < 0.05, †† for P < 0.01
AVLT Auditory Verbal Learning Test, Rey CFT Rey-Osterrieth Complex Figure Test, TMT-A, TMT-B Trail Making Test Part A and B, SCWT-CR/CT Stroop Color Word Test-Card C right/Card C time, BNT Boston Naming Test, SDMT Symbol Digit Modalities Test, PrM Prospective Memory Test, DOT Digit Ordering Test