Subgroup | Genetic Model | Type of Model | Heterogeneity | Odds Ratio | Publication Bias | |||||
---|---|---|---|---|---|---|---|---|---|---|
I2(%) | PH | OR | 95% CI | Ztest | POR | PBeggs | PEggers | |||
Overall | C vs. G | Random | 59.46 | 0.008 | 1.349 | 1.128–1.615 | 3.276 | 0.001 | 0.283 | 0.197 |
 | CC vs. GG | Fixed | 3.39 | 0.404 | 2.025 | 1.399–2.929 | 3.744 | ≤ 0.001 | 1.000 | 0.314 |
 | CG vs. GG | Random | 59.78 | 0.008 | 1.375 | 1.125–1.681 | 3.108 | 0.002 | 0.210 | 0.236 |
 | CC + CG vs. GG | Random | 62.81 | 0.004 | 1.387 | 1.130–1.703 | 3.132 | 0.002 | 0.152 | 0.205 |
 | CC vs. CG + GG | Fixed | 0.00 | 0.461 | 1.767 | 1.224–2.550 | 3.042 | 0.002 | 0.710 | 0.445 |
Asians | C vs. G | Random | 61.45 | 0.008 | 1.361 | 1.139–1.627 | 3.392 | 0.001 | 0.348 | 0.316 |
 | CC vs. GG | Fixed | 3.39 | 0.404 | 2.025 | 1.399–2.929 | 3.744 | ≤ 0.001 | 1.000 | 0.314 |
 | CG vs. GG | Random | 61.62 | 0.008 | 1.390 | 1.139–1.697 | 3.238 | 0.001 | 0.348 | 0.384 |
 | CC + CG vs. GG | Random | 64.65 | 0.004 | 1.403 | 1.145–1.719 | 3.264 | 0.001 | 0.251 | 0.328 |
 | CC vs. CG + GG | Fixed | 0.00 | 0.461 | 1.767 | 1.224–2.550 | 3.042 | 0.002 | 0.710 | 0.445 |
Chinese | C vs. G | Fixed | 64.21 | 0.025 | 1.184 | 0.897–1.563 | 1.191 | 0.234 | 0.806 | 0.885 |
 | CC vs. GG | Fixed | 0.00 | 0.867 | 0.972 | 0.421–2.245 | -0.066 | 0.947 | 1.000 | 0.850 |
 | CG vs. GG | Fixed | 64.29 | 0.024 | 1.224 | 0.908–1.652 | 1.326 | 0.185 | 0.806 | 0.882 |
 | CC + CG vs. GG | Fixed | 65.10 | 0.022 | 1.212 | 0.900-1.631 | 1.265 | 0.206 | 0.806 | 0.885 |
 | CC vs. CG + GG | Fixed | 0.00 | 0.872 | 0.960 | 0.416–2.215 | -0.096 | 0.924 | 1.000 | 0.786 |
Source of Controls | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
PB | C vs. G | Random | 61.46 | 0.075 | 1.103 | 0.591–2.060 | 0.308 | 0.758 | 1.000 | 0.642 |
 | CC vs. GG | Random | 60.77 | 0.110 | 1.326 | 0.073–5.977 | 0.190 | 0.849 | NA | NA |
 | CG vs. GG | Fixed | 34.06 | 0.219 | 1.206 | 0.855–1.701 | 1.067 | 0.286 | 1.000 | 0.506 |
 | CC + CG vs. GG | Random | 51.97 | 0.125 | 1.133 | 0.634–2.024 | 0.422 | 0.673 | 1.000 | 0.587 |
 | CC vs. CG + GG | Random | 58.45 | 0.121 | 1.005 | 0.173–5.829 | 0.006 | 0.995 | NA | NA |
HB | C vs. G | Fixed | 45.00 | 0.162 | 1.541 | 1.366–1.739 | 7.024 | ≤ 0.001 | 0.296 | 0.142 |
 | CC vs. GG | Fixed | 39.16 | 0.193 | 2.214 | 1.482–3.308 | 3.879 | ≤ 0.001 | 1.000 | 0.671 |
 | CG vs. GG | Random | 60.38 | 0.080 | 1.544 | 1.218–1.956 | 3.594 | ≤ 0.001 | 0.296 | 0.421 |
 | CC + CG vs. GG | Random | 59.82 | 0.083 | 1.578 | 1.256–1.982 | 3.913 | ≤ 0.001 | 0.296 | 0.280 |
 | CC vs. CG + GG | Fixed | 41.70 | 0.180 | 1.888 | 1.267–2.812 | 3.126 | 0.002 | 1.000 | 0.759 |
Genotyping Methods | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
TaqMan | C vs. G | Fixed | 42.31 | 0.158 | 1.493 | 1.308–1.705 | 5.928 | ≤ 0.001 | 0.734 | 0.441 |
 | CC vs. GG | Fixed | 0.00 | 0.596 | 1.751 | 1.073–2.857 | 2.243 | 0.025 | 0.734 | 0.897 |
 | CG vs. GG | Random | 50.90 | 0.106 | 1.500 | 1.190–1.891 | 3.435 | 0.001 | 0.734 | 0.295 |
 | CC + CG vs. GG | Random | 55.38 | 0.081 | 1.505 | 1.185–1.912 | 3.354 | 0.001 | 0.734 | 0.357 |
 | CC vs. CG + GG | Fixed | 0.00 | 0.661 | 1.476 | 0.908-2.400 | 1.571 | 0.116 | 0.734 | 0.942 |
Sequencing | C vs. G | Fixed | 40.66 | 0.185 | 1.606 | 1.349–1.911 | 5.337 | ≤ 0.001 | 1.000 | 0.833 |
 | CC vs. GG | Fixed | 0.00 | 0.704 | 3.248 | 1.719–6.136 | 3.629 | ≤ 0.001 | NA | NA |
 | CG vs. GG | Random | 52.74 | 0.120 | 1.641 | 1.053–2.557 | 2.189 | 0.029 | 1.000 | 0.308 |
 | CC + CG vs. GG | Fixed | 44.85 | 0.163 | 1.656 | 1.357–2.021 | 4.967 | ≤ 0.001 | 1.000 | 0.807 |
 | CC vs. CG + GG | Fixed | 0.00 | 0.722 | 2.874 | 1.528–5.408 | 3.274 | 0.001 | NA | NA |