Table 3

 Frequency of derived genotypes and estimate of penetrance

IndividualsKindreds
All (n = 30)One proband (n = 22)Multiple probands (n = 8)
Tested positive for the R337H TP53 24015387
    Probands (cases of ACC)402218
    Relatives20013169
    Parents372116
    Grandparents853
Tested negative for the R337H TP53 455314141
    Parents372116
    Grandparents853
    Frequency of the R337H TP5334.5% (240/695)33% (153/467)38% (87/228)
Not tested 28122655
    Positive cases derived from pedigrees352015
    Proband (ACC case)11
    Parent11
    Relatives332013
Derived penetrance (95% confidence interval)9.9% (8.7, 11.1)8.5% (7.3, 9.7)12.5% (10.2, 14.6)