Additionally , when PSA genotype was cross classified with CAG repeat , significantly more cases than both BPH and population controls were observed to have a short ( < 22 ) CAG/GG genotype ( P = 0.006 ) .
O O O B-GeneOrGeneProduct O O O O O B-SequenceVariant I-SequenceVariant O O O O O O B-DiseaseOrPhenotypicFeature O O O O O O O O O O O O O O O O O O O O O