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Table 5 Analyses of factors affecting the ongoing pregnancy rate and live birth rate in RIF patients using logistic regression

From: Additional single dose GnRH agonist during luteal phase support may improve live birth rate in GnRHa-HRT frozen–thawed embryo transfer cycle: a retrospective cohort study

 

Ongoing pregnancy

Live birth

Adjusted ORa (95% CI)

p value

Adjusted ORa (95% CI)

p value

Luteal GnRHa vs. control

4.55 (1.69–12.30)

0.003

4.30 (1.59–11.65)

0.004

Age (years)

0.85 (0.74–0.97)

0.014

0.85 (0.74–0.97)

0.018

BMI (kg/m2)

1.18 (0.99–1.41)

0.062

1.08 (0.91–1.28)

0.393

Infertility duration (years)

1.04 (0.87–1.24)

0.653

0.97 (0.81–1.17)

0.783

Types of infertility

0.62 (0.23–1.65)

0.333

0.67 (0.25–1.80)

0.426

Basal FSH (IU/l)

0.88 (0.70–1.10)

0.257

0.85 (0.67–1.08)

0.179

AMH (ng/mL)

1.00 (0.82–1.21)

0.988

0.97 (0.79–1.18)

0.734

Endometrial thickness (mm)

0.90 (0.73–1.10)

0.288

0.84 (0.67–1.04)

0.102

Day of embryo transfer

2.31 (0.79–6.80)

0.128

1.85 (0.63–5.43)

0.266

No. of transferred embryos

0.56 (0.29–1.07)

0.080

0.56 (0.29–1.08)

0.085

Quality of transferred embryos

0.54 (0.19–1.51)

0.237

0.47 (0.16–1.36)

0.164

  1. RIF recurrent implantation failure, OR odds ratio, CI confidence interval, BMI body mass index, FSH follicle- stimulating hormone, AMH anti-Müllerian hormone
  2. aAdjustment for age, BMI, infertility duration, types of infertility, basal FSH, AMH, endometrial thickness, day of embryo transfer, number of transferred embryos and quality of transferred embryos