Table 2.
Demography, brain volume and neuropsychological test between non-converter and converter after 7-year follow-up(N = 108)
| Non-converter(N = 77) | Converter (N = 31) |
F/z/χ2 | p | |
|---|---|---|---|---|
| MMSE | 27.61 ± 1.84 | 24.71 ± 3.12 | -4.655 | 0.000** |
| MoCA | 23.21 ± 3.66 | 17.87 ± 3.70 | -5.537 | 0.000** |
| Digit span | ||||
| forward | 8.42 ± 2.37 | 7.19 ± 2.36 | -2.273 | 0.023* |
| backward | 5.29 ± 1.94 | 4.16 ± 1.29 | -2.790 | 0.005* |
| AVLT | ||||
| AVLT-IR | 32.05 ± 8.92 | 22.94 ± 9.31 | -5.040 | 0.000** |
| AVLT-DR | 9.55 ± 3.67 | 4.97 ± 4.36 | -4.631 | 0.000** |
| Verbal fluency averagea | 8.79 ± 2.32 | 6.84 ± 2.23 | -3.426 | 0.001* |
| Visual recognition | ||||
| functionala | 3.62 ± 0.63 | 3.06 ± 0.93 | -3.518 | 0.000** |
| semantica | 3.12 ± 0.76 | 2.45 ± 1.18 | -2.792 | 0.005* |
| correctb | 5.65 ± 1.64 | 5.23 ± 2.00 | − 0.970 | 0.332 |
| WAIS picture completion | 10.69 ± 3.25 | 8.77 ± 3.29 | 0.025 | 0.007* |
| WAIS block designb | 29.86 ± 7.07 | 26.53 ± 8.29 | -4.170 | 0.000** |
Note: AVLT-IR = Auditory Verbal Learning Test immediate recall; AVLT-DR = Auditory Verbal Learning Test delayed recall; MMSE = mini-mental state examination; MoCA = Montreal cognitive assessment; WAIS = Wechsler Adult Intelligence Scale
*p<0.05; **p<0.001; a One sample data was missing; b Two sample data were missing