Table 4.
SNPs | Ethnicity (no. of studies included) | Sample size | Allele-wise 2 vs. 1 | 11 vs. (12 + 22) | 22 vs.(12 + 11) | ||||||||||||||||
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Case | Control | Odds ratio | 95% CI | Significance test | Test for heterogeneity | Odds ratio | 95% CI | Significance test | Test for heterogeneity | Odds ratio | 95% CI | Significance test | Test for heterogeneity | ||||||||
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z | p | Q | p | z | p | Q | p | z | p | Q | p | ||||||||||
rs6347 (1215A/G) | Mixed (8) | 4117 | 7663 | 0.99 | 0.93, 1.06 | −0.205 | 0.838 | 8.497 | 0.291 | 1.04 | 0.96, 1.12 | 0.868 | 0.386 | 10.747 | 0.15 | 1.10 | 0.93, 1.29 | 1.11 | 0.267 | 0.719 | 0.949 |
Caucasian (3) | 3333 | 6737 | 1.01 | 0.94, 1.08 | 0.18 | 0.857 | 0.269 | 0.874 | 1.02 | 0.93, 1.11 | 0.352 | 0.725 | 0.452 | 0.798 | 1.10 | 0.93, 1.29 | 1.117 | 0.264 | 0.551 | 0.759 | |
Asian (4) | 714 | 826 | 0.84 | 0.66, 1.08 | −1.376 | 0.169 | 6.331 | 0.097 | 1.32 | 0.86, 2.03 | 1.259 | 0.208 | 7.922 | 0.048 | 1.47 | 0.09, 23.68 | 0.273 | 0.785 | NA | NA | |
rs3756450 (T/C) | Caucasian (3) | 2881 | 5239 | 1.02 | 0.93, 1.13 | 0.476 | 0.634 | 0.879 | 0.645 | 0.97 | 0.87, 1.08 | −0.515 | 0.607 | 0.299 | 0.861 | 0.93 | 0.41, 2.08 | −0.187 | 0.852 | 5.589 | 0.061 |
rs2652510 (A/G) | Mixed (3) | 617 | 729 | 1.12 | 0.83, 1.51 | 0.721 | 0.471 | 6.346 | 0.042 | 1.01 | 0.55, 1.86 | 0.034 | 0.973 | 10.596 | 0.005 | 1.32 | 1.01, 1.73 | 1.995 | 0.046 | 0.764 | 0.683 |
Caucasian (2) | 557 | 663 | 1.26 | 1.04, 1.54 | 2.364 | 0.018 | 1.427 | 0.232 | 0.74 | 0.52, 1.05 | −1.684 | 0.092 | 2.076 | 0.150 | 1.37 | 1.03, 1.84 | 2.143 | 0.032 | 0.153 | 0.696 | |
rs2550956 (C/T) | Mixed (3) | 585 | 710 | 0.98 | 0.69, 1.40 | −0.119 | 0.905 | 6.222 | 0.045 | 1.07 | 0.78, 1.49 | 0.426 | 0.67 | 3.571 | 0.168 | 0.91 | 0.43, 1.95 | −0.234 | 0.815 | 4.785 | 0.091 |
Caucasian (2) | 525 | 644 | 0.84 | 0.69, 1.01 | −1.864 | 0.062 | 0.377 | 0.539 | 1.20 | 0.95, 1.52 | 1.533 | 0.125 | 0.001 | 0.969 | 0.74 | 0.44, 1.22 | −1.197 | 0.231 | 1.384 | 0.239 |
The allele before the “/” is predefined as allele 1, and the allele after the “/” is predefined as allele 2.
NA: not applicable.