Table 1 Demographic and clinical characteristics of the research cohort
Influencing factor | Values | P value | Rp value |
|---|---|---|---|
Age (Years) | 32.74(21–50) |  < 0.001 | 0.301 |
Infertility type (Number of patients) | |||
 Primary infertility | 753 (48.42) |  < 0.001 | 0.122 |
 Secondary infertility | 802 (51.57) | ||
Infertility duration (Years) | 3.65 (0–22) | 0.002 | 0.077 |
BMI | 22.26 (15.0–36.2) | 0.031 | 0.055 |
AFC (Number of antral follicle) | 22.81 (2–65) |  < 0.001 | -0.357 |
bFSH (mIU/mL) | 9.208 (0.97–151.65) |  < 0.001 | 0.115 |
E2 (pg/ml) | 87.19 (3.92–5086.19) | 0.026 | 0.057 |
LH (mIU/mL) | 4.59 (0.09–63.91) |  < 0.001 | -0.153 |
AMH (ng/ml) | 3.05 (0.1–23) |  < 0.001 | -0.392 |
Infertility cause (Number of patients) | |||
 Pelvic and fallopian tube factors | 234 (15.05) | 0.224 | -0.031 |
 Polycystic ovary syndrome (PCOS) Ovulatory obstacle | 108 (6.95) | ||
 Decreased ovarian reserve | 200 (12.86) | ||
 Endometriosis | 63 (4.05) | ||
 Multiple factors | 499 (32.09) | ||
 Others | 451 (29.00) | ||
Therapeutic regimen (Number of patients) | |||
 Long protocol | 241 (15.50) |  < 0.001 | 0.282 |
 Super-long protocol | 405 (26.05) | ||
 Antagonist regimen | 392 (25.21) | ||
 Progestin-primed ovarian stimulation (PPOS) protocol | 370 (23.79) | ||
 Others | 147 (9.45) | ||
Gn starting dose (IU) | 200.40 (5–600) | / | / |
NOR | 10.81 (1–47) | / | / |