Subject characteristics
| Normal Cognition | Probable AD | χ2/T Test Valuea | PValue, Cohen D or ϕ | |
|---|---|---|---|---|
| Number | 19 | 13 | ||
| Age (SD and range) | 82.31 ± 3.87 | 83.1 ± 3.35 | −.63 | .53, .23 |
| (76.17–93.34) | (77.22–88.32) | |||
| Male/female | 8/11 | 8/5 | 1.17 | .47, .28 |
| Caucasian/AA | 18/1 | 13/0 | .71 | .59, .41 |
| Education (beyond 12th grade/12th grade) | 11/8 | 8/5 | .04 | .56, .84 |
| Modified MMSE | 94.73 ± 4.44 | 88.9 ± 6.31 | 3.08 | <.01, 1.11 |
| (85–99) | (76–97) | |||
| Hypertension (±) | 11/8 | 10/3 | 1.23 | .23, .27 |
| Heart disease | 17/2 | 10/3 | .92 | .32, .34 |
| Type II diabetes mellitus | 17/2 | 10/2 | .25 | .63, .09 |
| MRI infarcts (±) | 12/7 | 9/4 | .13 | .53, .72 |
| Small vessel ischemic disease | 11/8 | 8/5 | .04 | .57, .84 |
a df = 30.