Table 6.

Allele frequencies for PRA4 in the AHT subset (n = 261) and the AHT subset excluding the 16 outliers identified through the first three principle components used in MDS plot analysis (n = 245)

	Wildtype	Carrier	Mutant	Total	Allele Frequency
AHT PRA4 subset	221	38	2	261	0.081
AHT PRA4 subset excluding 16 outliers	210	33	2	245	0.076