Table 2.
Baseline participant characteristics of participants who progressed to MCI, stratified by progression within 7 years of baseline vs progression more than 7 years from baseline.
| Characteristics | Progressed <=7 years (N=30) | Progressed >7 years (N=39) | |||
|---|---|---|---|---|---|
| N | % | N | % | P-value | |
| Gender, female | 17 | 56.7 | 18 | 46.2 | 0.387 |
| Ethnicity, Caucasian | 28 | 93.3 | 37 | 94.9 | 1.00 |
| Mean | SD | Mean | SD | P-value | |
| Age | 65.1 | 9.18 | 61.2 | 11.3 | 0.129 |
| Years of Education | 16.9 | 2.43 | 16.4 | 2.41 | 0.408 |
| MMSE score | 29.5 | 1.00 | 29.3 | 0.83 | 0.313 |
| Cognitive composite score | −0.47 | 0.55 | −0.23 | 0.50 | 0.077 |
| HAM-D score | 2.93 | 3.31 | 1.56 | 1.92 | 0.035 |
| N | % | N | % | P-value | |
| HAM-D >1 | 18 | 60.0 | 16 | 41.0 | 0.118 |
HAM-D = Hamilton depression scale, MCI = Mild cognitive impairment, MMSE = Mini-Mental State Exam, SD = standard deviation. P-values reflect comparisons between groups.