Table 4 A meta-regression analysis
Univariate meta-regression | Multivariate meta-regression | |||
|---|---|---|---|---|
Predictors (factors) | R2 (%) | P value | R2 (%) | P value |
Sample size | 15.9 | 0.082 | 93.5 | 0.102 |
Year of publication | 9.3 | 0.192 | Â | Â |
Study quality | 12.1 | 0.133 | Â | Â |
Test type | 54.3 | 0.072 | Â | Â |
Country of study | 57.1 | 0.100 | Â | Â |