Table 2.
Logistic regression analysis of the effect of meteorological variables on the pregnancy probability (pregnancy vs. non-pregnancy)
| Variable | uOR (CI) | P for uOR | aOR (CI) | P for aOR |
|---|---|---|---|---|
| Mean temperature (°C) | ||||
| CYCL to OR | 1.04(1.01–1.07) | 0.01 | 1.04(1.01–1.07) | 0.01 |
| OR to ER | 1.02(0.99–1.05) | NS | 1.02(0.99–1.05) | NS |
| Mean humidity (%) | ||||
| CYCL to OR | 1.01(0.99–1.04) | NS | 1.01(0.99–1.04) | NS |
| OR to ER | 1.00(0.98–1.01) | NS | 1.00(0.98–1.01) | NS |
| Mean sunshine (h) | ||||
| CYCL to OR | 1.04(0.95–1.14) | NS | 1.05(0.95–1.15) | NS |
| OR to ER | 1.00(0.95–1.05) | NS | 0.99(0.95–1.05) | NS |
| Mean solar radiation (terajoules/square meter) | ||||
| CYCL to OR | 1.03(0.98–1.07) | NS | 1.02(0.98–1.06) | NS |
| OR to ER | 1.01(0.99–1.04) | NS | 1.01(0.98–1.04) | NS |
uOR Unadjusted odds ratio
aOR Odds ratio after adjusting age, fertilization method, year of the cycle, gonadotropin dose and the grading of the transferred embryo
CI Confidence interval
NS Non-significant