Age (years)
|
32.2 ± 4.0
|
32.7 ± 3.8
|
0.352
|
31.9 ± 4.0
|
31.1 ± 4.1
|
0.003
|
BMI (kg/m2)
|
22.4 ± 2.9
|
2.2 ± 2.6
|
0.696
|
9.4 ± 1.5
|
9.4 ± 1.4
|
0.312
|
Pregnancy history
|
0.6 ± 0.5
|
0.6 ± 0.5
|
0.628
|
9.0 ± 3.9
|
9.0 ± 3.8
|
0.930
|
Basal FSH levels (IU/L)
|
11.8 ± 1.9
|
11.6 ± 1.7
|
0.424
|
7.5 ± 1.4
|
7.5 ± 1.4
|
0.947
|
Basal LH levels (IU/L)
|
5.4 ± 1.9
|
5.0 ± 2.1
|
0.260
|
4.3 ± 2.2
|
4.3 ± 2.2
|
0.974
|
Basal E2 levels (pg/ml)
|
43.3 ± 20.8
|
41.6 ± 18.3
|
0.581
|
43.3 ± 30.5
|
41.2 ± 31.4
|
0.300
|
Basal T levels (ng/dl)
|
48.3 ± 17.3
|
40.8 ± 18.1
|
0.008
|
47.8 ± 18.9
|
47.7 ± 19.9
|
0.907
|
Antral follicle count
|
9.8 ± 4.3
|
8.6 ± 4.6
|
0.099
|
11.6 ± 5.5
|
11.2 ± 5.7
|
0.217
|
Starting dose of gonadotropins (IU)
|
223.3 ± 54.6
|
228.1 ± 67.3
|
0.617
|
203.6 ± 36.7
|
198.6 ± 40.7
|
0.053
|
Number of oocytes retrieved
|
10.0 ± 4.4
|
9.0 ± 4.7
|
0.171
|
12.4 ± 5.4
|
12.4 ± 5.3
|
0.999
|
Number of follicles >14 mm
|
7.8 ± 3.5
|
7.1 ± 3.5
|
0.176
|
9.0 ± 3.9
|
9.0 ± 3.8
|
0.761
|
Days of stimulation
|
9.7 ± 1.6
|
10.5 ± 1.9
|
0.002
|
9.4 ± 1.5
|
9.4 ± 1.4
|
0.744
|
Total dose of gonadotropins (IU)
|
2477.8 ± 873.9
|
2936.1 ± 1249.9
|
0.010
|
2174.2 ± 826.8
|
2042.3 ± 728.7
|
0.012
|
Endometrial thickness on HCG day (cm)
|
1.1 ± 0.2
|
1.1 ± 0.2
|
0.521
|
1.0 ± 0.2
|
1.1 ± 0.2
|
0.001
|
Fertilization rate
|
0.8 ± 0.2
|
0.7 ± 0.2
|
0.202
|
0.7 ± 0.2
|
0.7 ± 0.2
|
0.615
|
Number of embryos cryopreserved
|
3.3 ± 2.9
|
2.4 ± 2.4
|
0.034
|
3.9 ± 3.4
|
4.1 ± 3.2
|
0.256
|
Number of good quality embryos
|
5.6 ± 2.9
|
4.5 ± 2.5
|
0.015
|
6.0 ± 3.4
|
6.3 ± 3.2
|
0.219
|