Table 3 Multivariable logistic regression of CLBR in different oocyte retrieval groups after adjusting for potential confounders (Before PSM)

Group (1 = GnRH-agonist; 2 = GnRH-antagonist)

1.15(0.70–1.88)

2.11(1.69–2.63)*

1.04 (0.78–1.38)

1.01(0.98–1.03)

Age

0.89(0.84–0.94)*

0.93(0.91–0.94)*

0.93(0.92–0.95)*

0.96(0.94–0.98)*

AMH

0.91(0.78–1.07)

1.00(0.97–1.04)

1.02 (0.99–1.04)

1.06(1.04–1.09)*

BMI

0.97(0.90–1.04)

0.98(0.95–1.01)

0.96(0.94–0.99)*

0.99(0.97–1.02)

Available Embryo

1.47(1.02–2.12)*

1.32(1.25–1.39)*

1.19(1.14–1.23)*

1.10(1.07–1.13)*

IVF/ICSI

0.93(0.46–1.85)

1.08(0.88–1.33)

1.20(1.01–1.44)*

1.39(1.14–1.66)*