Table II.
Comparison of age, scores on the MMSE scale, as well as the global score and the scores in separate categories in scales assessing the activity during the baseline examination in individuals affected by MCI who converted to dementia (MCI-D) and in those whose condition is stable (MCI-nD)
| Variable | Mean MCI-D n = 34 | Mean MCI-nD n = 41 | t | df | P-value | MCI-D SD | MCI-nD SD | F – variances | P – variances |
|---|---|---|---|---|---|---|---|---|---|
| Age | 78.79 | 75.76 | 1.44 | 73 | 0.16 | 8.40 | 9.67 | 1.33 | 0.41 |
| MMSE-IC | 27.20 | 27.45 | –0.36 | 73 | 0.72 | 3.08 | 2.89 | 1.13 | 0.70 |
| MMSE-IIC* | 24.70 | 26.33 | –2.28 | 73 | 0.03 | 3.37 | 2.83 | 1.42 | 0.29 |
| MMSE I–IIC* | 2.50 | 1.12 | 2.82 | 73 | 0.01 | 2.03 | 2.17 | 1.14 | 0.71 |
| MMSE VIIC* | 19.14 | 26.06 | –7.05 | 73 | < 0.001 | 5.40 | 2.93 | 3.39 | < 0.001 |
| GDS* | 12.97 | 9.63 | 2.88 | 73 | 0.01 | 5.30 | 4.73 | 1.25 | 0.49 |
| NPI-Total* | 41.62 | 16.49 | 6.48 | 73 | < 0.001 | 19.83 | 13.63 | 2.12 | 0.02 |
*
Statistically significant differences (p < 0.05).