Table III.
Statistics to test the publication bias and heterogeneity in the meta-analysis
| Comparisons | Begg's regression analysis | Egger's regression analysis | Heterogeneity analysis | Model used for the meta-analysis | |||
|---|---|---|---|---|---|---|---|
| P-value | 95% confidence interval | P-value | Q-value | Pheterogeneity | I2 (%) | ||
| f vs. F | 0.614 | (–1.133)–0.404 | 0.341 | 88.47 | 0.000 | 62.7 | Random |
| ff vs. FF | 0.441 | (–0.327)–0.574 | 0.580 | 65.90 | 0.001 | 49.9 | Random |
| Ff vs. FF | 0.313 | (–0.949)–0.241 | 0.234 | 66.35 | 0.001 | 50.3 | Random |
| ff + Ff vs. FF | 0.459 | (–0.918)–0.409 | 0.440 | 79.44 | 0.000 | 58.5 | Random |
| ff vs. Ff + FF | 0.495 | (–0.327)–0.640 | 0.514 | 57.01 | 0.006 | 42.1 | Random |