Table 2 Subgroup Meta-statistics
Characteristics | No of observations | Pooled rabies prevalence | Heterogeneity | ||||
|---|---|---|---|---|---|---|---|
SS | Event | Event rate | 95% CI | I2% | P | ||
Overall | 20 | 33,232 | 5640 | 0.32 | 0.19;0.46 | 99.85 | 0.001 |
Region | 99.85 | 0.01 | |||||
Addis Ababa | 1 | 935 | 726 | 0.78 | 0.75;0.80 | 0 | |
Amhara | 7 | 23,527 | 1240 | 0.05 | 0.03;0.08 | 98.3 | |
Nationwide | 4 | 1228 | 578 | 0.47 | 0.14;0.80 | 99.4 | |
Oromia | 2 | 1187 | 548 | 0.46 | 0.42;0.48 | 0 | |
Tigray | 5 | 6355 | 2548 | 0.40 | 0.21;0.86 | 99.9 | |
Host affected | |||||||
Animal | 3 | 2161 | 832 | 0.28 | 0.81;15.8 | 0 | 0.01 |
Human | 17 | 31,071 | 4808 | 0.33 | 0.20;0.47 | 99.8 | 0.06 |
Study type | 0.00 | ||||||
Prospective | 3 | 3864 | 423 | 0.12 | 0.04;0.22 | 0 | |
Retrospective | 15 | 27,845 | 4669 | 0.35 | 0.20;0.53 | 99.9 | |
Cross-sectional | 2 | 1187 | 548 | 0.45 | 0.42;0.48 | 0 | |
Sample size | 0.001 | ||||||
< 385 | 5 | 1356 | 610 | 0.45 | 0.21;0.65 | 99.3 | |
385–1000 | 8 | 6.129 | 3477 | 0.57 | 0.18;0.39 | 99.8 | |
> 1000 | 6 | 25,747 | 1553 | 0.06 | 0.02;0.08 | 99.4 | |