Table 1 Characteristics of participants and study partners analyzed
Amyloid beta elevated (n = 100) | Amyloid beta not elevated (n = 235) | Total (n = 335) | |
|---|---|---|---|
Sex | |||
Male | 33 (33%) | 124 (52.77%) | 157 (46.87%) |
Female | 77 (77%) | 111 (47.23%) | 178 (53.13%) |
Race/ethnicity | |||
Caucasian | 89 (89%) | 212 (90.21%) | 301 (89.85%) |
African-American | 7 (7%) | 15 (6.38%) | 22 (6.57%) |
Asian | 2 (2%) | 4 (1.7%) | 6 (1.79%) |
Age | 74.34 (5.87) | 72.8 (5.77) | 73.26 (5.83) |
Years of education | 15.93 (2.56) | 16.72 (2.55) | 16.49 (2.58) |
APOE4 alleles | |||
0 | 53 (53%) | 182 (77.45%) | 235 (70.15%) |
1 | 43 (43%) | 49 (20.85%) | 92 (27.46%) |
2 | 4 (4%) | 4 (1.70%) | 8 (2.39%) |
MMSE | 29.04 (1.08) | 29.08 (1.28) | 29.07 (1.22) |
ADAS13 | 9.63 (4.43) | 8.65 (4.42) | 8.94 (4.44) |
ECog | |||
Participant | 1.42 (0.32) | 1.38 (0.33) | 1.39 (0.33) |
Study partner | 1.21 (0.29) | 1.20 (0.30) | 1.20 (0.29) |