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Table 2 Characteristics of cycle parameters in both the group

From: Progestin-primed ovarian stimulation vs mild stimulation in women with advanced age above 40: a retrospective cohort study

VariablesMild stimulationPPOSp value
Duration of ovarian stimulation (days)9.06 ± 2.058.49 ± 2.030.108
Total dose of gonadotropin (IU)1518.14 ± 547.252061.17 ± 1254.63< 0.001
FSH on trigger day (mIU/ml)16.76 ± 6.9016.51 ± 4.800.432
LH on trigger day (mIU/ml)9.38 ± 4.725.14 ± 2.81< 0.001
Estradiol on trigger day (pmol/L)6959.59 ± 4399.755241.02 ± 2712.040.013
Progesterone on trigger day (nmol/L)2.61 ± 1.781.83 ± 2.570.028
Premature LH surge-no. (%)15(12.3%)1(2.1%)0.044
Cancelation rate (%)31(25.4%)7(14.9%)0.207
Number of oocytes retrieved3.57 ± 2.773.72 ± 2.760.740
Number of mature oocytes3.08 ± 2.392.87 ± 2.200.602
Fertilization rate (%)79.05 ± 31.5077.36 ± 30.740.754
Cleavage rate (%)87.25 ± 30.2590.06 ± 29.430.585
Viable embryo rate (%)61.16 ± 41.6473.55 ± 36.580.095
Top-quality embryos rate (%)33.29 ± 39.3250.08 ± 41.650.015
  1. Data was present as mean ± SD