Table 3:
Demographic characteristics of subjects imaged longitudinally
| APOE ε4+ N=71 patients (134 eyes) |
APOE ε4− N=78 patients (149 eyes) |
P-valuea | |
|---|---|---|---|
| Age at baseline, mean (SD) | 69.5 (6.5) | 70.4 (5.7) | 0.341 |
| Years of education, mean (SD) | 17.1 (2.0) | 17.1 (1.9) | 0.896 |
| Female sex, N (%) | 56 (79) | 56 (72) | 0.348 |
| Race, N (%) | <0.008 | ||
| White | 62 (88) | 77 (99) | |
| Black | 8 (11) | 1 (1) | |
| Asian | 1 (1) | 0 | |
| Other/Not reported | 0 | 0 | |
| Family history of dementia, N (%) | 46 (68) | 45 (58) | 0.238 |
| MMSE score at baseline, mean (SD) | 29.4 (0.9) | 29.5 (0.8) | 0.577 |
| MMSE score at follow-up, mean (SD) | 29.6 (0.8) | 29.7 (0.6) | 0.633 |
MMSE=Mini-Mental State Examination
a
P-value for continuous variables based on Wilcoxon rank sum test of difference between medians. P-value for categorical variables based on Fisher’s exact test of difference between proportions.