Research Article
Protective Factors Modulate the Risk of Beta Amyloid in Alzheimer’s Disease
Table 1
Baseline characteristics of subjects with brain PET Abeta.
| | MCI | NC | | Abeta+, | Abeta-, | Abeta+, | Abeta-, |
| | Age, mean (SD) | 73.6 (6.7) | 70.2 (7.7) | 75.3 (5.8) | 72.4 (5.9) | | Sex | | | | | | Male | 109 (58.0) | 123 (52.1) | 16 (30.8) | 103 (48.4) | | Female | 79 (42.0) | 113 (47.9) | 36 (69.2) | 110 (51.6) | | MMSE, mean (SD) | 27.5 (1.8) | 28.5 (1.5) | 29.0 (0.9) | 29.1 (1.3) | | ApoE | | | | | | 0 | 54 (28.7) | 159 (67.4) | 25 (48.1) | 165 (77.8) | | 1 | 100 (53.2) | 67 (28.4) | 25 (48.1) | 43 (20.3) | | 2 | 34 (18.1) | 10 (4.2) | 2 (3.8) | 4 (1.9) | | Follow-up time, median (range) | 25.87 (4.72-60.89) | 32.76 (5.54-60.07) | 19.47 (5.51-47.67) | 22.13 (5.05-48.46) |
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