... mutationwere 33% in a small Japanese cohort [19] 13%, 10.4% and 5% in three Chinese cohorts [3,21,22] and ~17% inthe two white cohorts from United States and Spain[5,32,33]. However, the incidence o f ... deafness-associated 1555A > G, 1494C > T and 1095T > C mutations were 7.5%, 0.45% and 0.91% in this entire hearing-impaired subjects, respectively, and 21.4%, 2% and 2% among 98 subjects with aminoglycoside ... 13variants was between 78% and 50% and CI for theremaining variants was <50%. In addition to the1555A > G and 1494C > T mutations, the novel 747A> G variant and the known 839A >...