Figure 9

Begg’s funnel plot for publication bias test (CC vs. TT in OPN rs11730582).
Each point represents a separate study for the indicated association. Log [OR], natural logarithm of OR. Horizontal line, mean effect size.

Begg’s funnel plot for publication bias test (CC vs. TT in OPN rs11730582).
Each point represents a separate study for the indicated association. Log [OR], natural logarithm of OR. Horizontal line, mean effect size.