Table 3.
Association between day of gonadotropin start and total gonadotropin dosage in patients with luteal phase stimulation.
| Variables | Unadjusted model | Adjusted model | ||
|---|---|---|---|---|
| β (95% CI) | P value | β (95% CI) | P value | |
| Gn initial phase | ||||
| Early luteal phase (0~1d) | 0.00 (ref) | – | 0.00 (ref) | – |
| Early-mid luteal phase (2~4d) | 289.373 (114.698, 464.047) | 0.01 | 228.563 (44.885, 412.240) | 0.015* |
| Mid-late luteal phase (≥5d) | 771.476 (556.860, 986.092) | <0.001 | 563.658 (326.473, 800.843) | <0.001* |
| Per-day increase | 147.949 (110.344, 185.554) | <0.001 | 113.200 (70.469, 155.930) | <0.001* |
*Significant difference (P < 0.05).
CI, confidence interval.
The variables in the adjusted model were adjusted for potential confounders: female age, BMI, AFC, FSH, LH, E2, T, menstrual cycle length, initial Gn dose.