Table 6.
Pooled estimate of effect size with 95% CI, test of significance, and magnitude of heterogeneity of CSF Aβ 42 studies in Alzheimer's disease and dementia due to other causes.
| Statistics | Alzheimer's disease | Dementia due to other causes |
|---|---|---|
| Pooled estimate of CSF Aβ 42 (pg/mL) | −363.926 | −170.743 |
| 95% CI of pooled estimate (pg/mL) | −542.007–−185.845 | −256.912–−84.574 |
| Between-studies variance (T 2) | 54859.742 | 9755.39 |
| Degree of heterogeneity (I 2) | 97.8% | 83.7% |
| 95% CI of I 2 | 96.8%–98.5% | 69.7%–91.7% |
| Q statistics | 271.051 | 36.780 |
| DF | 6 | 6 |
| P value | 0.000 | 0.000 |