Table 2. Results of meta-analysis of ApoE polymorphism and MI.

	Overall		Caucasion		Asian
Analysis	OR (95% CI)	P/Phet	OR (95% CI)	P/Phet	OR (95% CI)	P/Phet
ε2ε2 vs. ε3ε3	0.73 (0.40–1.32)	0.29/0.005	0.70 (0.38–1.31)	0.27/0.004	1.07 (0.08–13.78)	0.96/0.18
ε2ε3 vs. ε3ε3	0.79 (0.68–0.90)	0.001/0.001	0.80 (0.70–0.92)	0.001/0.008	0.70 (0.31–1.60)	0.84/0.007
ε2ε4 vs. ε3ε3	1.10 (0.99–1.21)	0.07/0.70	1.10 (1.00–1.21)	0.05/0.63	0.66 (0.26–1.70)	0.39/0.61
ε3ε4 vs. ε3ε3	1.26 (1.12–1.41)	<0.001/0.001	1.23 (1.09–1.38)	0.001/0.001	1.51 (1.14–2.00)	0.004/0.39
ε4ε4 vs. ε3ε3	1.59 (1.15–2.19)	0.005/0.04	1.47 (1.07–2.02)	0.02/0.05	6.95 (1.75–27.65)	0.006/0.85
ε2 vs. ε3	0.78 (0.69–0.89)	<0.001/0.04	0.80 (0.71–0.90)	<0.001/0.04	0.67 (0.37–1.23)	0.20/0.22
ε4 vs. ε3	1.22 (1.12–1.32)	<0.001/0.02	1.20 (1.10–1.30)	<0.001/0.02	1.49 (1.15–1.93)	0.002/<0.001
ε2 allele frequency	0.78 (0.70–0.87)	<0.001/0.001	0.79 (0.71–0.88)	<0.001/0.005	0.65 (0.38–1.13)	0.13/0.09
ε3 allele frequency	0.99 (0.96–1.02)	0.38/1.00	0.99 (0.96–1.02)	0.39/1.00	0.99 (0.86–1.13)	0.22/0.94
ε4 allele frequency	1.15 (1.10–1.20)	0.001/0.17	1.14 (1.09–1.19)	0.001/0.18	1.47 (1.14–1.89)	0.003/0.70

P, p value of the test on the association estimate; Phet, p value of the heterogeneity test.