Table 4 Adjusteda multivariable log binomial and Poisson regression models: twin birth preeclampsia relative risk
From: Number of embryos transferred and diagnosis of preeclampsia
All cycles N=8,378 | Fresh Autologous N=6,650 | Cryopreserved Autologous N=753 | Fresh Donor N=841 | Cryopreserved Donor N=134 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
aRR (CI) | p value | aRR (CI) | p value | aRR (CI) | p value | aRR (CI) | p value | aRR (CI) | p value | |
# embryos transferred (continuous) | 1.09 (1.001, 1.19) | 0.040 | 1.07 (0.98, 1.17) | 0.137 | 1.03 (0.84, 1.28) | 0.722 | 0.58 (0.24, 1.41) | 0.232 | 1.49 (0.69, 3.19) | 0.300 |
# prior ART cycles (continuous) | 0.98 (0.95, 1.02) | 0.406 | 0.99 (0.96, 1.02) | 0.701 | 1.13 (0.99, 1.28) | 0.062 | 0.97 (0.89, 1.06) | 0.548 | 1.01 (0.89, 1.16) | 0.854 |
Vanishing triplet (yes vs. no) | 0.93 (0.69, 1.26) | 0.639 | 0.93 (0.78, 1.11) | 0.453 | 0.86 (0.32, 2.31) | 0.766 | 1.53 (0.42, 5.52) | 0.519 | 0.28 (0.01, 7.76) | 0.451 |