Genotype Control Cases OR Sig. No. % No. % Asthma CC 11 18.3 26 52.0 0.029* (0.002 – 0.356) 0.006* CT® 40 66.7 22 44.0     TT 9 15.0 2 4.0 0.000 (-) 0.999 Logistic regression analysis for the risk of asthma with the age, sex and smoking status as covariates. *: Statistical significance at p ≤ 0.05

Table 4A: The comparison of genotype distributions between normal control subjects and subjects with asthma.