Table 1.
Demographics, Memory Scores, Volumetrics
| High Risk | Low Risk | P value | |
|---|---|---|---|
| Number of Subjects | 17 | 12 | |
| Age (years) | 58.6 ± 4.1 | 57.6 ± 4.5 | 0.53 |
| Sex (%female) | 4M, 13F (76.5%) | 5M, 7F (58.3%) | 0.45 |
| Education (years) | 16.0 ± 2.0 | 16.0 ± 2.4 | 1 |
| MMSE | 29.6 ± 0.71 | 29.8 ± 0.39 | 0.39 |
| CVLT | 49.4 ± 10.0 | 50.3 ± 11.1 | 0.82 |
| Logical memory delayed recalla | 11.7± 4.8 | 12.4 ± 3.9 | 0.67 |
| Category Fluency | 53.2 ± 8.0 | 63.6 ± 6.4 | <0.001 |
| Post MRI Task Recall Score (%) | 65.60 ± 16.2 | 70.0 ± 14.2 | 0.47 |
| Whole brain volumes (% of TIV) | 60.1 ± 2.0 | 60.9 ± 3.4 | 0.43 |
| Ventricular volume (% of TIV) | 1.4 ± 0.52 | 1.5 ± 0.61 | 0.80 |
| Hippocampal volume (% of TIV) | 0.51 ± 0.031 | 0.52 ± 0.043 | 0.54 |
MMSE = Folstein Mini Mental State Exam (Folstein, Folstein et al. 1975).
CVLT = California Verbal Learning Test (Delis, Freeland et al. 1988),
a
Delayed recall of the WMS-R Logical Memory Test(Wechsler 1987)
TIV = total intracranial volume