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Table 3 Association of amyloid-β levels with incident dementia and its subtypes

From: Plasma amyloid-β levels, cerebral atrophy and risk of dementia: a population-based study

Plasma Aβ levels (per SD decrease) Incident dementia (n = 79)
HR (95% CI)a
Alzheimer’s dementia (n = 64)
HR (95% CI)a
Vascular dementia (n = 15)
HR (95% CI)a
1–38 1.33 (1.01–1.89) b 1.39 (1.00–2.16) b 1.20 (0.49–2.96)
1–40 0.99 (0.69–1.43) 0.95 (0.60–1.49) 0.74 (0.31–1.79)
1–42 1.27 (1.02–1.58) b 1.35 (1.05–1.75) b 1.05 (0.61–1.79)
1–40/Aβ1–42 ratio 0.92 (0.64–1.32) 0.97 (0.64–1.49) 1.30 (0.54–3.11)
  1. Abbreviations: amyloid-β, SD standard deviation, HR hazard ratio, CI confidence interval
  2. aAdjusted for age, sex, education, mean arterial blood pressure, total cholesterol, diabetes, apolipoprotein ε4 carrier status, smoking and other Aβ levels
  3. bSignificant at p <0.05