Grade | Study | Age (years) | Mean follow-up (years) | Definition | Number of risk factors | Aggregate risk (95% CI) | |||
---|---|---|---|---|---|---|---|---|---|
 |  |  |  |  |  | All dementia | VaD | AD + VaD | AD |
B1 | Kalmijn et al. 2000 [36]; HAAS | 52.7 ± 4.7 | 27 | Random postload glucose, SBP, DBP, BMI, subscapular skinfold thickness, total cholesterol, and triglycerides | Per 1-unit increase in z-score | 1.06 (1.02, 1.10)a | 1.11 (1.05, 1.18)a | 1.06 (0.97, 1.15)a | 1.0 (0.94, 1.06)a |
 |  |  |  |  |  | 1.04 (1.00, 1.08)b | 1.09 (1.01, 1.15)b | 1.04 (0.96, 1.14)b | 1.00 (0.94, 1.05)b |
 |  |  |  |  |  | 1.05 (1.01, 1.09)c | 1.10 (1.04, 1.17)c | 1.03 (0.94, 1.13)c | 1.00 (0.95, 1.06)c |
 |  |  |  |  |  | 1.03 (0.99, 1.07)d | 1.08 (1.01, 1.15)d | 1.03 (0.94, 1.13)d | 0.99 (0.94, 1.06)d |
B1 | Luchsinger et al. 2005 [24]; WHICAP | 76.2 ± 5.9 | 5.5 | Self-report history of diabetes, or hypertension, or heart disease, or current smoking | 1 |  |  |  | 1.7 (1.1, 2.6)e |
 |  |  |  |  | 2 |  |  |  | 2.5 (1.6, 3.9)e |
 |  |  |  |  | ≥3 |  |  |  | 3.4 (2.1, 5.7)e |
B1 | Qiu et al. 2010 [2]; Kungsholmen | 81.5 ± 5.0 | 5.1 | Vascular risk profile: SBP ≥160, DBP <70, pulse pressure <70, diabetes, stroke, heart failure | 1 | 1.11 (0.79, 1.58)f |  |  | 1.09 (0.75, 1.60)f |
 |  |  |  |  | 2 | 1.65 (1.12, 2.42)f |  |  | 1.77 (1.16, 2.71)f |
 |  |  |  |  | ≥3 | 2.48 (1.46, 4.20)f |  |  | 2.66 (1.39, 5.08)f |
 |  |  |  | Atherosclerosis risk profile: SBP ≥160, diabetes, stroke | 1 | 1.28 (1.00, 1.64)f |  |  | 1.33 (1.00, 1.78)f |
 |  |  |  |  | ≥2 | 2.13 (1.46, 3.11)f |  |  | 2.09 (1.31, 3.34)f |
 |  |  |  | Hypoperfusion risk profile: DBP <70, pulse pressure <70, heart failure | 1 | 1.15 (0.90, 1.47)f |  |  | 1.27 (0.96, 1.69)f |
 |  |  |  |  | ≥2 | 1.88 (1.30, 2.70)f |  |  | 2.06 (1.31, 3.34)f |
B2 | Ronnemaa et al. 2011 [3]; Uppsala | 49.6 ± 0.6 | 29 | SBP >140 mmHg, BMI >28, fasting glucose >7 mmol/L, cholesterol >7mmol/L, current smoking | 1 | 1.4 (1.0, 1.9)g | 2.1 (0.9, 4.6)g | 1.3 (0.9, 1.9)g | 0.9 (0.6, 1.5)g |
 |  |  |  |  | 2 | 1.7 (1.2, 2.3)g | 2.8 (1.3, 6.2)g | 1.5 (1.0, 2.2)g | 1.2 (0.8, 2.0)g |
 |  |  |  |  | ≥3 | 2.1 (1.5, 3.2)g | 5.1 (2.2, 11.9)g | 1.4 (0.9, 1.4)g | 0.5 (0.2, 1.2)g |
 |  | 71.0 ± 0.6 | 13 | SBP >140 mmHg, BMI >28, fasting glucose >7mmol/L, cholesterol >7mmol/L, current smoking | 1 | 1.8 (1.2, 2.6)g | 4.1 (1.0, 17.7)g | 1.6 (1.1, 2.5)g | 1.3 (0.8, 2.3)g |
 |  |  |  |  | 2 | 1.7 (1.1, 2.6)g | 6.8 (1.6, 29.2)g | 1.4 (0.9, 2.2)g | 1.0 (0.6, 1.9)g |
 |  |  |  |  | ≥3 | 1.7 (1.0, 2.9)g | 7.7 (1.6, 37.1)g | 1.1 (0.5, 2.1)g | 0.4 (0.1, 1.3)g |