hCG trigger | Dual trigger | p value | N | |
---|---|---|---|---|
N = 337 | N = 397 | |||
The baseline characteristics | ||||
Age (year) | 37. 4 ± 5.11 | 37.4 ± 5.07 | 0.963a | 734 |
BMI (kg/m2) | 23.1 ± 3.37 | 22.5 ± 3.31 | 0.014a | 733 |
FSH (IU/L) | 11.8 ± 6.08 | 10.2 ± 5.25 | < 0.001a | 711 |
E2 (pmol/L) | 189 ± 119 | 179 ± 98.7 | 0.192a | 712 |
P (nmol/L) | 1.04 (0.69, 1.49) | 1.05 (0.75, 1.42) | 0.989b | 682 |
PRL (ng/ml) | 12.6 ± 7.78 | 12.6 ± 6.94 | 0.922a | 623 |
LH (IU/L) | 3.80 (2.58, 5.58) | 3.40 (2.35, 5.05) | 0.016b | 712 |
T (nmol/l) | 0.69 (0.69, 0.69) | 0.69 (0.69,0.69) | 0.915b | 587 |
A (nmol/L) | 4.39 (3.03, 6.38) | 4.66 (3.50, 6.64) | 0.160b | 515 |
AMH (ng/mL) | 0.41 (0.18, 0.69) | 0.52 (0.28, 0.96) | < 0.001b | 717 |
Dosage of Gn (IU) | 1739 ± 912 | 2075 ± 1001 | < 0.001a | 734 |
Duration of stimulation (d) | 11.9 ± 2.66 | 11.5 ± 2.13 | 0.058a | 725 |
Hormone levels on trigger day | ||||
LH (IU/L) | 4.05 (2.11, 7.44) | 3.07 (1.87, 6.06) | < 0.001b | 727 |
E2 (pmol/L) | 1586 (946.00, 2516.75) | 1744 (1077.25, 3099.25) | 0.005b | 728 |
P (nmol/L) | 1.47 (1.05, 2.09) | 1.54 (1.01, 2.39) | 0.202b | 727 |
Previous stimulation cycles and cancellations | 1.4 ± 1.18 | 1.20 ± 1.28 | 0.071a | 734 |
Mild stimulation | 0.006c | 734 | ||
LE | 195 (57.9%) | 274 (69.0%) | ||
CC | 67 (19.9%) | 54 (13.6%) | ||
LE + CC | 75 (22.3%) | 69 (17.4%) |