Table 2.
Univariate meta-regression and analysis of variance (ANOVA) results of individual predictors .
| S. No | Predictors | Univariate meta-regressiona |
ANOVAb |
||
|---|---|---|---|---|---|
| Proportion (R2) (%) | p value (RE) | QM value | p value ( RE) | ||
| 1 | Species | 2.48 | 0.09 | 4.84 | 0.44 |
| 2 | Sample size | 0.00 | 0.48 | 0.09 | 0.76 |
| 3 | Serological test | 29.20 | 0.001 | 47.98 | 0.001 |
| 4 | Study region | 0.47 | 0.25 | 4.15 | 0.53 |
| 5 | Study period | 2.98 | 0.07 | 1.14 | 0.77 |
a
Proportion of effect of predictors on heterogeneity.
b
All variables had a p < 0.01 in the fixed effect model.