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Table 3 Uni- and multi-variable logistic regression analysis for FHB+ after SVBT

From: Comparing prediction of ongoing pregnancy and live birth outcomes in patients with advanced and younger maternal age patients using KIDScore™ day 5: a large-cohort retrospective study with single vitrified-warmed blastocyst transfer

  Univariate analysis Multivariate analysis
  OR ratio 95% CI P value aOR ratio 95% CI P value
Maternal age 0.866 0.846–0.886 <  0.05 0.877 0.850–0.905 <  0.05
Paternal age 0.944 0.928–0.960 <  0.05 0.291
No. of previous ER 0.929 0.906–0.950 <  0.05 0.179
No. of previous ET 0.937 0.906–0.968 <  0.05 0.558
Cause of infertility 0.547
KS-D5 scores 1.325 1.270–1.385 <  0.05 1.282 1.227–1.340 <  0.05
  1. ER Egg retrieval, ET Embryo transfer, KS-D5 KIDScore™ Day 5, SVBT Single vitrified-warmed blastocyst transfer, FHB+ Fetal heart beat positive, OR Odds ratio, aOR Adjusted odds ratio, CI Confidence interval