Table 2 APOE allele and genotype frequencies obtained in the study population and in other ethnic groups
Gene | Allele | Frequency (N, %) | Genotype | Frequency (N, %) | Reference genotype frequency in other ethnic groups (N, %) | ||||
|---|---|---|---|---|---|---|---|---|---|
Southwest Chinese [16] | Caucasians [17] | African -American [17] | Egyptians [24] | Brazilians [18] | |||||
APOE | E2 | 43(11.6) | E2/E2 | 0(0) | 3(1.20) | 0(0) | 3(2.7) | 3(1.54) | 1(0.8) |
E3 | 307(82.5) | E2/E3 | 39(21) | 39(15.66) | 16(13.22) | 15(13.51) | 20(10.26) | 17(14.7) | |
E4 | 22(5.9) | E2/E4 | 4(2.2) | 2(0.80) | 3(2.48) | 7(6.31) | 3(1.54) | 2(1.7) | |
E3/E3 | 125(67.2) | 180(72.29) | 73(60.33) | 51(45.95) | 146(74.87) | 66(56.9) | |||
E3/E4 | 18(9.7) | 23(9.24) | 28(23.14) | 30(27.03) | 23(11.79) | 26(22.5) | |||
E4/E4 | 0(0) | 2(0.80) | 1(0.83) | 5(4.50) | 0(0) | 4(3.4) | |||