Fig. 3From: Interleukin 4 gene polymorphism (−589C/T) and the risk of asthma: a meta-analysis and met-regression based on 55 studiesPooled 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]Back to article page