Table 1 Baseline characteristics of the study population
From: Plasma amyloid-β levels, cerebral atrophy and risk of dementia: a population-based study
Variables | Subsample of Rotterdam Study (n = 458) |
|---|---|
Demographic and vascular risk factors | |
Age, yr, mean (SD) | 67.8 (7.7) |
Women, n (%) | 232 (50.7) |
Education, yr, mean (SD) | 10.7 (3.4) |
Mean arterial blood pressure, mmHg, mean (SD) | 96.5 (12.7) |
Total cholesterol, mmol/L, mean (SD) | 5.7 (0.93) |
Diabetes mellitus, n (%) | 55 (12.1) |
Smoker, ever, n (%) | 317 (69.7) |
APOE-ε4 carriers, n (%) | 137 (30) |
Plasma levels of Aβ isoforms, pg/ml, mean (SD) | |
Aβ1–38 | 19.4 (4.3) |
Aβ1–40 | 186.1 (35.9) |
Aβ1–42 | 56.3 (6.2) |
MRI markers, ml, mean (SD) | |
White matter volume | 354.1 (85.4) |
Gray matter volume | 522.7 (55.8) |
Intracranial volume | 1126.2 (113.9) |
Hippocampus volume | 6.4 (0.9) |