In overall analysis , the homozygous Cys/Cys genotype showed a significant association with lung cancer compared to Ser allele carrier status ( odds ratio ( OR ) =1.31 , 95 % confidence interval ( CI ) =1.02-1.69 ) .
O O O O O O O O O O O O O B-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature O O O O O O O O O O O O O O O O O O O O O O O O