Table 1 Characteristics of participants sorted on PiB status
Characteristics of participants sorted on PiB status | |||
|---|---|---|---|
Low beta-amyloid | Elevated beta-amyloid | P-value | |
n | 112 | 53 | |
Age | 71.85 (9.67) | 79.30 (7.74) | < 0.001 ** |
Sex, No. (%) = M | 45 (40.2) | 22 (41.5) | 1.000 |
Years of Education | 16.31 (2.87) | 16.42 (2.92) | 0.832 |
Race, No. (%) | 0.994 | ||
AS | 3 (2.7) | 1 (1.9) | |
B | 12 (10.7) | 6 (11.5) | |
NH | 17 (15.2) | 8 (15.4) | |
Other | 2 (1.8) | 1 (1.9) | |
Unknown | 4 (3.6) | 1 (1.9) | |
W | 74 (66.1) | 35 (67.3) | |
APOE-ε4 Carrier Status, No. (%) = ε4+ | 13 (12.0) | 27 (52.9) | < 0.001 ** |
LC MRI signal intensity | 1.34 (0.05) | 1.30 (0.03) | < 0.001 ** |
IT FTP values (SUVr, PVC) | 1.41 (0.16) | 1.66 (0.42) | < 0.001 ** |
EC FTP values (SUVr, PVC) | 1.28 (0.26) | 1.56 (0.43) | < 0.001 ** |
FLR-PiB values (DVR, PVC) | 1.19 (0.06) | 1.93 (0.47) | < 0.001 ** |
Clinical Dementia Rating, No. (%) | 0.017 * | ||
0 | 106 (94.6) | 43 (81.1) | |
0.5 | 6 (5.4) | 9 (17.0) | |
1 | 0 (0.0) | 1 (1.9) | |
MMSE Score | 29.04 (1.26) | 28.08 (1.99) | < 0.001 ** |