Table 3.
Meta-analysis results.
| Comparisons | OR | 95%CI | P value | Heterogeneity | Effects model | |
|---|---|---|---|---|---|---|
| I2 | P value | |||||
| T vs. C | ||||||
| Overall | 1.10 | 0.93–1.30 | 0.28 | 60% | 0.03 | R |
| Caucasian | 0.79 | 0.55–1.14 | 0.21 | 4% | 0.35 | F |
| Asian | 1.21 | 0.99–1.46 | 0.06 | 70% | 0.06 | R |
| TT vs. CC | ||||||
| Overall | 1.64 | 0.85–3.19 | 0.14 | 63% | 0.03 | R |
| Caucasian | 0.27 | 0.07–1.01 | 0.05 | 0% | 0.66 | F |
| Asian | 4.42 | 1.60–12.21 | 0.004 | 0% | 0.93 | F |
| CT vs. CC | ||||||
| Overall | 1.05 | 0.87–1.27 | 0.58 | 44% | 0.11 | F |
| Caucasian | 0.96 | 0.63–1.45 | 0.85 | 53% | 0.12 | F |
| Asian | 1.08 | 0.87–1.33 | 0.48 | 44% | 0.11 | F |
| CT+TT vs. CC | ||||||
| Overall | 1.13 | 0.94–1.36 | 0.19 | 46% | 0.10 | F |
| Caucasian | 0.86 | 0.58–1.29 | 0.47 | 36% | 0.21 | F |
| Asian | 1.21 | 0.99–1.49 | 0.06 | 51% | 0.13 | F |
| TT vs. CC+CT | ||||||
| Overall | 1.62 | 0.83–3.15 | 0.16 | 60% | 0.04 | R |
| Caucasian | 0.29 | 0.08–1.09 | 0.07 | 0% | 0.60 | F |
| Asian | 4.16 | 1.51–11.48 | 0.006 | 0% | 0.91 | F |
F – fixed effects model; R – random effects model.