Table 1.
Meta-analysis results of risk measures for all-cause dementia, Alzheimer’s disease and vascular dementia
| Pooled hazard ratios (HRs) |
Pooled odds ratios (ORs) |
Pooled risk |
|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Heterogeneity |
Heterogeneity |
Heterogeneity |
|||||||||||||
| Pooled HR (95% CI) | Z | χ2 (d.f.) | P | I2, % | Pooled OR (95% CI) | Z | χ2 (d.f.) | P | I2, % | Pooled OR (95% CI) | Z | χ2 (d.f.) | P | I2, % | |
| All-cause dementia | 1.8 (1.52–2.14) | 6.85*** | 15.90 (12) | 0.20 | 25 | 1.96 (1.64–2.34) | 7.41*** | 5.12 (11) | 0.93 | 0 | 1.85 (1.67–2.04) | 11.84*** | 20.62 (24) | 0.68 | 0 |
| Alzheimer’s disease | 1.54 (1.23–1.93) | 3.76*** | 11.93 (9) | 0.22 | 25 | 1.85 (1.45–2.37) | 4.90*** | 2.11 (5) | 0.83 | 0 | 1.65 (1.42–1.92) | 6.58*** | 15.34 (15) | 0.43 | 2 |
| Vascular dementia | 2.64 (1.35–5.17) | 2.83*** | 3.97 (2) | 0.14 | 50 | 2.53 (1.42–4.50) | 3.16*** | 0.10 (1) | 0.75 | 0 | 2.52 (1.77–3.59) | 5.12*** | 4.07 (4) | 0.40 | 2 |
***
P<0.0001.