Carriage of alleles encoding lysine at residue 223 was found in 61 % of patients who died , compared with 35 % of those who survived ( OR adjusted for age , 2.9 ; 95 % CI , 1.1-7.7 ) .
O O O O B-SequenceVariant I-SequenceVariant I-SequenceVariant I-SequenceVariant O O O O O O B-OrganismTaxon O B-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