Table 6 Trim and fill analysis of the prevalence of bacterial pneumonia in Ethiopia
Method | Pooled est. | 95% CI | Asymptotic | No. of studies | ||
|---|---|---|---|---|---|---|
Lower | Upper | z-value | p-value | |||
Fixed | 24,998 | 23.664 | 26.333 | 36.709 | < 0.001 | 11 |
Random | 37.167 | 25.716 | 48.617 | 6.362 | < 0.001 |  |
Test for heterogeneity: Q = 619.951 on 10degrees of freedom (p < 0.001) | ||||||
Moment-based estimate of between studies variance = 366.490 | ||||||
Trimming estimator: Linear | ||||||
Meta-analysis type: Fixed-effects model | ||||||
Iteration | Estimate | Tn | # To trim | Diff | ||
1 | 24.998 | 57 | 5 | 66 | ||
2 | 19.979 | 63 | 6 | 12 | ||
3 | 17.708 | 65 | 6 | 4 | ||
4 | 17.708 | 65 | 6 | 0 | ||
Filled | ||||||
Meta-analysis | ||||||
Method | Pooled est. | 95% CI | Asymptotic | No. of studies | ||
Lower | Upper | z-value | p-value | |||
Fixed | 17.708 | 16.531 | 18.885 | 29.489 | < 0.001 | 17 |
Random | 21.331 | 10.863 | 31.798 | 3.994 | < 0.001 |  |
Test for heterogeneity: Q = 1138.521 on 10 degrees of freedom (p < 0.001) | ||||||
Moment-based estimate of between studies variance = 474.990 | ||||||