Table 3.
Genetic model | No. of cohorts | Association | Effect model | Heterogeneity | |||
---|---|---|---|---|---|---|---|
OR | 95%CI | P-value | I2 (%) | P-value | |||
Overall | |||||||
D vs. I | 17 | 1.16 | 1.11–1.21 | <0.01 | F | 21 | 0.20 |
DD vs. II | 17 | 1.37 | 1.25–1.49 | <0.01 | F | 32 | 0.10 |
DI vs. II | 17 | 1.11 | 1.05–1.18 | <0.01 | F | 0 | 0.95 |
DD + DI vs. II | 17 | 1.17 | 1.11–1.24 | <0.01 | F | 0 | 0.84 |
DD vs. DI + II | 17 | 1.29 | 1.15–1.43 | <0.01 | R | 38 | 0.06 |
Asian | |||||||
D vs. I | 13 | 1.21 | 1.15–1.27 | <0.01 | F | 0 | 0.52 |
DD vs. II | 13 | 1.50 | 1.35–1.67 | <0.01 | F | 0 | 0.58 |
DI vs. II | 13 | 1.11 | 1.03–1.20 | <0.01 | F | 0 | 0.90 |
DD + DI vs. II | 13 | 1.20 | 1.12–1.28 | <0.01 | F | 0 | 0.79 |
DD vs. DI + II | 13 | 1.43 | 1.30–1.57 | <0.01 | F | 0 | 0.67 |
Caucasian | |||||||
D vs. I | 4 | 1.07 | 0.99–1.15 | 0.08 | F | 0 | 0.58 |
DD vs. II | 4 | 1.11 | 0.95–1.29 | 0.20 | F | 0 | 0.44 |
DI vs. II | 4 | 1.12 | 1.00–1.25 | 0.05 | F | 0 | 0.67 |
DD + DI vs. II | 4 | 1.12 | 1.00–1.24 | 0.04 | F | 0 | 0.72 |
DD vs. DI + II | 4 | 1.04 | 0.90–1.20 | 0.59 | F | 15 | 0.31 |
Female | |||||||
D vs. I | 8 | 1.14 | 1.06–1.24 | <0.01 | F | 14 | 0.32 |
DD vs. II | 8 | 1.37 | 1.16–1.61 | <0.01 | F | 41 | 0.11 |
DI vs. II | 8 | 1.06 | 0.94–1.19 | 0.36 | F | 0 | 0.82 |
DD + DI vs. II | 8 | 1.13 | 1.01–1.26 | 0.04 | F | 0 | 0.83 |
DD vs. DI + II | 8 | 1.37 | 1.08–1.73 | <0.01 | R | 53 | 0.04 |
Male | |||||||
D vs. I | 9 | 1.16 | 1.05–1.27 | <0.01 | R | 55 | 0.02 |
DD vs. II | 9 | 1.30 | 1.07–1.60 | 0.01 | R | 59 | 0.01 |
DI vs. II | 9 | 1.18 | 1.04–1.34 | <0.01 | R | 43 | 0.08 |
DD + DI vs. II | 9 | 1.21 | 1.07–1.37 | <0.01 | R | 46 | 0.06 |
DD vs. DI + II | 9 | 1.19 | 0.99–1.42 | 0.06 | R | 57 | 0.02 |
OR Odds ratio, CI Confidence interval, F Fixed-effects model, R Random-effects model