Table 5

 Tests for interaction with APOE-4 and stratum specific genotype frequencies in unrelated cases and controls

MarkerTest of interaction (p value)SNP genotypeGenotype frequencies No APOE-4Genotype frequencies, carriers of APOE-4
Cases (n = 189)Controls (n = 619)Cases (n = 395)Controls (n = 239)
*Significant difference in genotype frequencies between cases and controls within APOE-4 stratum (p<0.05).
SNP30.150GT+TT0.680.690.720.64*
SNP4 0.048 AA+AG0.390.430.450.32*
SNP60.057CC+CT0.850.870.870.80*
SNP8 0.027 AA+AG0.990.95*0.920.95