Fig. 3

Pooled odds ratio and 95% confidence interval of individual studies and pooled data for the association between IL-4 C589T polymorphism and asthma risk in different subgroups for; a dominant model [age subgroup], b dominant model [continent]
Pooled odds ratio and 95% confidence interval of individual studies and pooled data for the association between IL-4 C589T polymorphism and asthma risk in different subgroups for; a dominant model [age subgroup], b dominant model [continent]