TABLE 5.
Overall, N = 54 1 | Negative, N = 29 1 | Positive, N = 25 1 | |
---|---|---|---|
Age, years | 68.44 (8.47) | 67.76 (7.74) | 69.24 (9.35) |
Gender | |||
F | 28 (52%) | 15 (52%) | 13 (52%) |
M | 26 (48%) | 14 (48%) | 12 (48%) |
Sample origin | |||
ADRC participant | 40 (74%) | 17 (59%) | 23 (92%) |
Clinic non‐enrollee | 14 (26%) | 12 (41%) | 2 (8.0%) |
Length of CSF storage time, years | 3.73 (2.16) | 4.37 (2.21) | 3.00 (1.88) |
APOE ε4 allele count | |||
0 | 21 (52%) | 12 (71%) | 9 (39%) |
1 | 12 (30%) | 4 (24%) | 8 (35%) |
2 | 7 (18%) | 1 (5.9%) | 6 (26%) |
Unknown | 14 | 12 | 2 |
Mean standard deviation (SD); n (%).