A Stratified analysis of the genotypes with age of onset and tumor grade showed the w1/m1 genotype to be significantly associated with an early age of onset ; however the tumor grades did not have significant association with the variant genotypes .
O O O O O 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 B-DiseaseOrPhenotypicFeature O O O O O O O O O O O