Table 2. Main results of pooled odds ratios (ORs) with confidence interval (CI) in the meta-analysis.
Variables | No. of studies | AA vs CC | AA vs AC | AC vs CC | ||||||
OR (95% CI) | Ph | P | OR (95% CI) | Ph | P | OR (95% CI) | Ph | P | ||
Total | 29 | 0.993(0.979 1.008) | 0.001 | 0.367 | 1.001(0.982 1.021) | 0.144 | 0.888 | 0.983(0.962 1.006) | 0.000 | 0.143 |
Asian | 9 | 0.918(0.732 1.152) | 0.554 | 0.461 | 1.093(0.995 1.201) | 0.367 | 0.065 | 0.846(0.670 1.068) | 0.552 | 0.159 |
Caucasian | 13 | 0.781(0.629 0.972) | 0.004 | 0.026 | 0.921(0.854 0.993) | 0.634 | 0.033 | 0.793(0.613 1.025) | 0.000 | 0.077 |
Mixed | 7 | 1.028(0.835 1.266) | 0.058 | 0.795 | 1.034(0.959 1.115) | 0.232 | 0.379 | 1.012(0.843 1.215) | 0.157 | 0.898 |
Ph: P value of Q-test for heterogeneity test.