Table VI.
Statistical powers of genetic associations in the present case-control study.
| Total RIFs | ≥4 RIFs | |||||
|---|---|---|---|---|---|---|
| Genotype | Model | Reference type | AOR (95% CI) | Statistical power (%) | AOR (95% CI) | Statistical power (%) |
| VEGF −2578C>A | Additive | −2578CC | 1.21 (0.84–1.75) | 27.94 | 1.39 (0.91–2.12) | 58.78 |
| Dominant | −2578CC | 1.12 (0.71–1.75) | 14.7 | 1.23 (0.72–2.10) | 28.02 | |
| Recessive | −2578CC | 2.02 (0.85–4.83) | 99.98 | 2.77 (1.10–7.02) | 99.99 | |
| VEGF −1154G>A | Additive | −1154GG | 1.17 (0.78–1.75) | 24.42 | 1.34 (0.84–2.12) | 49.69 |
| Dominant | −1154GG | 1.22 (0.75–1.99) | 36.6 | 1.42 (0.81–2.50) | 64.89 | |
| Recessive | −1154GG | 1.15 (0.37–3.62) | 21.23 | 1.52 (0.44–5.25) | 80.35 | |
| VEGF −634C>G | Additive | −634CC | 1.56 (1.10–2.19) | 94.49 | 1.95 (1.28–2.98) | 99.25 |
| Dominant | −634CC | 2.03 (1.02–4.05) | 99.91 | 3.16 (1.19–8.37) | 100.00 | |
| Recessive | −634CC | 1.65 (1.03–2.65) | 94.79 | 2.10 (1.22–3.64) | 99.85 | |
| VEGF 936C>T | Additive | 936CC | 1.00 (0.64–1.56) | 5.0 | 1.15 (0.69–1.93) | 16.07 |
| Dominant | 936CC | 1.08 (0.66–1.75) | 8.38 | 1.33 (0.76–2.32) | 47.53 | |
| Recessive | 936CC | 0.32 (0.04–2.86) | 100.0 | NA | ||
AORs and P-values were adjusted by age and body mass index. AOR, adjusted odds ratio; CI, confidence interval; RIF, recurrent implantation failure; NA, not applicable; VEGF, vascular endothelial growth factor.