Table 1.

Frequencies of DRB1*13 apoE genotypes.

ApoE genotype	DRB1*13		Total
	Absent	Present
2/2	2	0	2
2/3	13	6	19
2/4	5	0	5
3/3	78	31	109
3/4	30	8	38
4/4	3	2	5
Total	131	47	178