Table 2

 T16189C allele frequency in the different sub-groups

Status16189 allele status
(mean age, (sd),% male)Wild type allele TMutant allele C% mutant95% CI
CI, confidence interval; sd, standard deviation
Controls ϵ4/−27720.67.0–34.2
(76.8 yrs (9.7), 48%) non ϵ48588.62.9–14.3
Total 112 15 11.8 6.2–17.4
Alzheimer’s Disease ϵ4/−871212.15.7–18.6
(79.0 yrs (8.8), 37%) non ϵ470810.33.5–17.0
Total 157 20 11.3 6.6–16.0
Dementia with Lewy Bodies ϵ4/−47713.04.0–22.0
(78.4 yrs (7.3), 55%) non ϵ437511.92.1–21.7
Total 84 12 12.5 5.9–9.1