Table 2:

The genotype and allele frequencies were compared between AD cases and control subjects using χ² test and Fisher’s exact test

	Patients % (n=154)	Control % (n=162)	P value
ε2ε2	1.3	0.6	0.614
ε2ε3	5.2	13.6	0.011
ε2ε4	0.6	0.6	1.000
ε3ε3	70.2	81.5	0.018
ε3ε4	20.8	3.7	0.000
ε4ε4	1.9	0	0.115
ε2	4.2	7.7	0.065
ε3	83.1	90.1	0.010
ε4	12.7	2.2	< 0.001