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Heterogeneity analysis after omitting Pei's study with random-effect model.
| Genetic model | Study(n) | OR | 95%-CI | Q | I2 |
|---|---|---|---|---|---|
| CC + CG vs. GG | 5 | 1.5006 | [0.9760; 2.3072] | 11.94 | 66.50% |
| CC vs. GG + CG | 5 | 1.1413 | [0.9439; 1.3799] | 2.92 | 0.00% |
| CC vs. GG | 5 | 1.5977 | [1.0027; 2.5455] | 9.51 | 57.90% |
| C vs. G | 5 | 1.2167 | [0.9873; 1.4995] | 8.74 | 54.30% |
OR, odds ratio; CI, confidence interval; I2, measure to quantify the degree of heterogeneity in meta-analyses.
