Table 3

 Transmission of mutated versus normal alleles

Sample groupTransmission of normal alleleTransmission of mutated alleleRatio, % (95% CI)p*
*Binomial distribution p(X⩾% transmitted mutated alleles).
All samples8010457%(49 to 64)0.045
R141H678756%(48 to 64)0.063
F119L385459%(48 to 69)0.059