Allele and genotype analysis of combined data.

Allele, the data was presented as A/T in the two groups. ADD, the data was presented by the additive genotype model (AA/AT/TT) in the three groups. DOM, the data was presented by the dominant genotype model (AA+AT/TT) in the two groups. REC, the data was presented by the recessive genotype model (AA/AT+TT) in the two groups. Adjustment study, adjusted by BMI in logistic regression.