Table 2 Characteristics of IVF-ICSI stimulation cycles

Number of IVF/ICSI cycles, n

342

1026

 ICSI, n (%)

26.3% (90/342)

30.5% (310/1026)

p = 0.146

 GnRH agonist protocol, % (n)

55.8% (191/342)

61.0% (626/1026)

p = 0.092

 Total gonadotrophin dose (IU), mean ± SD

2778.29 ± 866.62

2730.50 ± 1214.06

p = 0.501

 EM thickness on HCG-day (mm), mean ± SD

10.08 ± 1.57

10.78 ± 1.55

p<0.001

 E2 on hCG-day (pmol/L), mean ± SD

9661.81 ± 6011.21

9442.79 ± 5834.27

p = 0.580

 LH on hCG-day (mIU/ml), mean ± SD

2.76 ± 1.42

2.81 ± 1.47

p = 0.651

 P on hCG-day (nmol/L), mean ± SD

1.73 ± 1.79

1.62 ± 2.91

p = 0.526

 Oocytes collected, mean ± SD

13.11 ± 7.77

12.28 ± 6.02

p = 0.073

 2PN embryos, mean ± SD

7.63 ± 5.88

7.10 ± 4.60

p = 0.113

 Day-3 embryos, mean ± SD

5.24 ± 5.30

4.95 ± 4.21

p = 0.363