| |
Group A:
|
Group B:
|
Group C:
|
P
|
|---|
|
E2 ≤ 30 pg/ml
|
30 < E2 ≤ 50 pg/ml
|
E2 > 50 pg/ml
|
|---|
|
Number of cycles
|
316
|
451
|
313
| |
|
Age, years
|
34 (31, 38)
|
35 (31, 39)
|
35 (31, 40)*
|
0.049
|
|
Body mass index, kg/m2
|
21.2 (19.9, 23.3)
|
21.4 (20, 23.1)
|
20.8 (19.5, 22.2)* **
|
0.008
|
|
Duration of infertility, years
|
5 (3, 9)
|
5 (3, 8)
|
5 (3, 8)
|
0.809
|
|
Number of past ovarian stimulation cycles
|
2 (1, 3)
|
2 (1, 3)
|
2 (1, 2)
|
0.487
|
|
Number of past embryo transfers
|
2 (1, 3)
|
2 (1, 2)
|
1 (1, 2)
|
0.146
|
|
Baseline FSH, IU/L
|
8.6 (7.1, 10.7)
|
8.7 (7.1, 11.1)
|
8.9 (7.3, 11.8)
|
0.353
|
|
Baseline E2, pg/mL
|
33 (24, 45)
|
38.5 (29, 50.5)*
|
48 (33, 62)* **
|
<0.001
|
- Data are presented as median (interquartile range), and examined by Kruskal-Wallis test
-
FSH follicle-stimulating hormone
- *Indicates significant difference between group A and given group, P < 0.017
- **Indicates significant difference between group B and group C, P < 0.017
