Variable

GnRHa (N = 184)

GnRHant (N = 157)

P value

Age (years)

41.52 ± 1.56

41.48 ± 1.66

0.781

Basal FSH (IU/L)

10.16 ± 4.87

11.17 ± 6.34

0.198

Body mass index (kg/m²)

22.40 ± 2.48

22.38 ± 3.23

0.953

Proportion of primary infertility (%)

34.87%

31.78%

0.645

Duration of infertility (years)

6.78 ± 4.77

6.21 ± 5.12

0.353

Duration of stimulation (days)

11.51 ± 1.46

9.70 ± 2.23

<0.05

Total dose of Gn administered (IU)

3317.34 ± 775.29

2306.88 ± 757.22

<0.05

E₂ level on hCG trigger day (pg/mL)

2095.28 ± 1213.17

1953.47 ± 1248.00

0.361

LH level on hCG trigger day (mIU/mL)

0.91 ± 1.17

4.82 ± 4.69

<0.05

P level on hCG trigger day (ng/mL)

0.69 ± 0.42

1.03 ± 0.50

<0.05

Endometrial thickness on hCG trigger day (mm)

10.89 ± 2.47

10.39 ± 2.35

0.099