Table III.
Results of Egger's linear regression analysis and Begg's rank correlation test for publication bias.
| Egger's test | Begg's test | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Std-Eff | Coef.a | SE | t | P>|t| | 95% CI | Adj. Kendall's score (P-Q) | SD of score | Number of studies | Z-value | Pr>|z| | |
| Genotype | Slope | 0.2160835 | 0.0287501 | 7.52 | 0.000 | 0.1534424, 0.2787246 | −11 | 18.27 | 14 | 0.55 | 0.584 |
| bias | −0.1556121 | 0.3430764 | −0.45 | 0.658 | −0.9031114, 0.5918871 | ||||||
| Allele | Slope | −0.0658025 | 0.3326355 | −0.20 | 0.844 | −0.744217, 0.0612612 | −170 | 64.54 | 33 | 2.62 | 0.009 |
| bias | −16.71626 | 5.075586 | −3.29 | 0.002 | −27.06799, −6.364535 | ||||||
a
Coefficient was the intercept of regression analysis. P>ltl = 0.658, 0.002; Pr>lzl = 0.584, 0.009 (where both stand for no bias). SE, standard error; SD, standard deviation; Std-Eff, standard effect.