| aMCI | Normal Older Adults |  t  |  p  | ||||
---|---|---|---|---|---|---|---|---|
 |  N  |  M  |  SD  |  N  |  M  |  SD  |  |  |
Age (years) | 29 | 73.76 | 6.42 | 28 | 71.25 | 6.43 | 1.47 | .15 |
Education (years) | 29 | 10.97 | 4.82 | 28 | 13.89 | 3.12 | −2.71 | .009 |
Activities of daily living | 29 | 14.93 | 1.36 | 28 | 14.54 | 1.37 | 1.09 | .28 |
MMSE | 29 | 26.07 | 2.33 | 28 | 27.61 | 1.95 | −2.70 | .009 |
Paired-association learning | 29 | 4.45 | 3.06 | 28 | 11.14 | 3.29 | −7.95 | <.001 |
Portraits characteristics recall | 29 | 4.00 | 3.76 | 28 | 9.39 | 5.09 | −4.56 | <.001 |
Neuropsychological tests | ||||||||
Verbal fluency | 29 | 18.81 | 4.35 | 28 | 22.64 | 4.26 | −3.36 | .001 |
Writing fluency | 27 | 4.61 | 1.95 | 26 | 5.23 | 1.93 | −1.16 | .25 |
Digit symbol | 27 | 30.30 | 10.50 | 27 | 35.81 | 7.53 | −2.22 | .031 |
TMT A (seconds) | 29 | 51.07 | 23.59 | 24 | 44.21 | 16.20 | 1.21 | .23 |
TMT B (seconds) | 28 | 113.11 | 75.05 | 24 | 78.58 | 35.94 | 2.06 | .045 |
Digit span-forward | 26 | 7.31 | 1.64 | 27 | 7.85 | 1.32 | −1.33 | .19 |
Digit span-backward | 26 | 4.15 | 1.32 | 27 | 4.59 | 1.72 | −1.04 | .30 |
Logic memory | 27 | 5.06 | 2.51 | 27 | 8.44 | 2.89 | −4.60 | <.001 |
Similarity | 29 | 15.41 | 4.20 | 28 | 18.36 | 3.28 | −2.94 | .005 |