Table 3.
Results of genetic models for VDR ApaI, VDR BsmI, VDR TaqI, VDR Cdx2 and VDR FokI polymorphisms and osteoporosis susceptibility in postmenopausal women.
| Comparison | N | Test of association | Model | Test of heterogeneity | Begg’s test | Egger’s test | |||
|---|---|---|---|---|---|---|---|---|---|
| OR | 95% CI | P value | P value | I2 (%) | P value | P value | |||
| VDR Apa I | |||||||||
| Overall | 18 | ||||||||
| a vs. A | 0.95 | 0.793–1.13 | 0.53 | R | <0.001 | 69.2 | 0.649 | 0.575 | |
| aa vs. AA | 0.84 | 0.61–1.15 | 0.271 | R | <0.001 | 60.4 | 0.325 | 0.405 | |
| Aa vs. AA | 0.86 | 0.73–1.01 | 0.063 | F | 0.091 | 32.4 | 0.13 | 0.075 | |
| Aa/aa vs. AA | 0.84 | 0.73–0.98 | 0.022 | F | 0.020 | 45.3 | 0.058 | 0.076 | |
| aa vs. AA/Aa | 0.93 | 0.70–1.23 | 0.609 | R | <0.001 | 66.6 | 0.363 | 0.484 | |
| Caucasian | 15 | ||||||||
| a vs. A | 0.94 | 0.80–1.12 | 0.505 | R | 0.001 | 61.6 | |||
| aa vs. AA | 0.84 | 0.58–1.20 | 0.33 | R | 0.001 | 60.5 | |||
| Aa vs. AA | 0.84 | 0.70–0.99 | 0.042 | F | 0.046 | 41.7 | |||
| Aa/aa vs. AA | 0.85 | 0.72–1.00 | 0.047 | F | 0.017 | 48.8 | |||
| aa vs. AA/Aa | 0.93 | 0.69–1.24 | 0.609 | R | 0.002 | 58.5 | |||
| Asian | 3 | ||||||||
| a vs. A | 0.99 | 0.48–2.06 | 0.98 | R | <0.001 | 69.2 | |||
| aa vs. AA | 0.86 | 0.38–1.96 | 0.727 | R | 0.033 | 70.8 | |||
| Aa vs. AA | 1.04 | 0.65–1.67 | 0.879 | F | 0.803 | 0 | |||
| Aa/aa vs. AA | 0.81 | 0.57–1.15 | 0.238 | F | 0.163 | 44.8 | |||
| aa vs. AA/Aa | 0.96 | 0.36–2.60 | 0.942 | R | <0.001 | 88.1 | |||
| VDR Bsm I | |||||||||
| Overall | 36 | ||||||||
| B vs. b | 1.21 | 1.00–1.46 | 0.052 | R | <0.001 | 83 | 0.215 | 0.198 | |
| BB vs. bb | 1.4 | 0.97–2.01 | 0.072 | R | <0.001 | 79.4 | 0.358 | 0.194 | |
| Bb vs. bb | 1.27 | 0.99–1.64 | 0.06 | R | <0.001 | 73.4 | 0.505 | 0.409 | |
| BB/Bb vs. bb | 1.32 | 1.01–1.72 | 0.044 | R | <0.001 | 79.5 | 0.522 | 0.314 | |
| BB vs. Bb/bb | 1.21 | 0.93–1.57 | 0.159 | R | <0.001 | 71.9 | 0.202 | 0.107 | |
| Caucasian | 29 | ||||||||
| B vs. b | 1.09 | 0.90–1.33 | 0.385 | R | <0.001 | 82.4 | |||
| BB vs. b | 1.18 | 0.81–1.71 | 0.396 | R | <0.001 | 78.3 | |||
| Bb vs. bb | 1.19 | 0.89–1.59 | 0.246 | R | <0.001 | 76.8 | |||
| BB/Bb vs. bb | 1.19 | 0.88–1.59 | 0.262 | R | <0.001 | 80.6 | |||
| BB vs. Bb/bb | 1.08 | 0.81–1.37 | 0.682 | R | <0.001 | 68.9 | |||
| Asian | 7 | ||||||||
| B vs. b | 2.02 | 1.30–3.12 | 0.002 | R | 0.005 | 68.1 | |||
| BB vs. bb | 4.16 | 2.20–7.88 | <0.001 | R | 0.207 | 32.1 | |||
| Bb vs. bb | 1.73 | 1.24–2.42 | 0.001 | R | 0.455 | 0 | |||
| BB/Bb vs. bb | 2.14 | 1.34–3.42 | 0.001 | R | 0.064 | 49.6 | |||
| BB vs. Bb/bb | 2.98 | 1.76–5.05 | <0.001 | R | 0.267 | 23.1 | |||
| VDR Taq I | |||||||||
| Overall | 17 | ||||||||
| t vs. T | 1.03 | 0.83–1.28 | 0.782 | R | <0.001 | 75.6 | 0.149 | 0.053 | |
| tt vs. TT | 1.03 | 0.68–1.56 | 0.873 | R | <0.001 | 69.2 | 0.053 | 0.023 | |
| Tt vs. TT | 1.09 | 0.81–1.47 | 0.573 | R | <0.001 | 66.7 | 0.484 | 0.363 | |
| Tt/tt vs. TT | 1.07 | 0.79–1.46 | 0.66 | R | <0.001 | 73 | 0.232 | 0.155 | |
| tt vs. Tt/TT | 1.03 | 0.76–1.39 | 0.848 | R | 0.003 | 55.9 | 0.07 | 0.07 | |
| Caucasian | 16 | ||||||||
| t vs. T | 0.99 | 0.79–1.24 | 0.944 | R | <0.001 | 74.4 | |||
| tt vs. TT | 0.97 | 0.63–1.48 | 0.872 | R | <0.001 | 67.9 | |||
| Tt vs. TT | 1.05 | 0.77–1.44 | 0.747 | R | <0.001 | 67.5 | |||
| Tt/tt vs. T | 1.02 | 0.74–1.41 | 0.89 | R | <0.001 | 72.7 | |||
| tt vs. Tt/TT | 0.98 | 0.71–1.34 | 0.888 | R | 0.005 | 54.7 | |||
| VDR Cdx 2 | |||||||||
| Caucasian | 3 | ||||||||
| A vs. G | 0.67 | 0.23–1.96 | 0.466 | R | <0.001 | 90.9 | 1 | 0.322 | |
| AA vs. GG | 0.45 | 0.05–3.81 | 0.462 | R | 0.009 | 78.7 | 1 | 0.74 | |
| GA vs. GG | 0.8 | 0.29–2.22 | 0.665 | R | 0.011 | 77.8 | 0.296 | 0.115 | |
| AA/GA vs. GG | 0.65 | 0.20–2.12 | 0.479 | R | 0.002 | 84.1 | 0.296 | 0.01 | |
| AA vs. GG/GA | 0.56 | 0.14–2.20 | 0.405 | R | 0.049 | 66.8 | 1 | 0.866 | |
| VDR Fok I | |||||||||
| Overall | 15 | ||||||||
| f vs. F | 1.1 | 0.91–1.33 | 0.301 | R | <0.001 | 63.3 | 0.621 | 0.615 | |
| ff vs. FF | 1.26 | 0.84–1.89 | 0.262 | R | 0.001 | 61.4 | 1 | 0.451 | |
| Ff vs. FF | 1.14 | 0.97–1.33 | 0.113 | F | 0.186 | 24.3 | 0.621 | 0.402 | |
| Ff/ff vs. FF | 1.19 | 1.03–1.38 | 0.021 | F | 0.029 | 45.3 | 0.373 | 0.593 | |
| ff vs. Ff/FF | 1.23 | 0.87–1.75 | 0.243 | R | 0.004 | 56.2 | 1 | 0.593 | |
| Caucasian | 13 | ||||||||
| f vs. F | 1.02 | 0.85–1.23 | 0.844 | R | 0.006 | 57 | |||
| ff vs. FF | 1.07 | 0.71–1.63 | 0.741 | R | 0.006 | 56.4 | |||
| Ff vs. FF | 1.1 | 0.93–1.30 | 0.26 | F | 0.152 | 29.1 | |||
| Ff/ff vs. FF | 1.12 | 0.96–1.31 | 0.146 | F | 0.06 | 41.2 | |||
| ff vs. Ff/FF | 1.08 | 0.75–1.56 | 0.684 | R | 0.016 | 51.7 | |||
| Asian | 2 | ||||||||
| f vs. F | 1.88 | 1.38–2.58 | <0.001 | R | 0.844 | 0 | |||
| ff vs. FF | 3.05 | 1.67–5.60 | <0.001 | R | 0.408 | 0 | |||
| Ff vs. FF | 1.53 | 0.92–2.54 | 0.101 | F | 0.971 | 0 | |||
| Ff/ff vs. FF | 1.95 | 1.23–3.08 | 0.004 | F | 0.938 | 0 | |||
| ff vs. Ff/FF | 2.47 | 1.43–4.27 | 0.001 | R | 0.395 | 0 | |||
R: random effect model.
F: fixed effect model.