Table 1.
Comparison of conditions in different ovarian response groups.
| Low ovarian responsen = 441 | Normal ovarian responsen = 1738 | High ovarian responsen = 406 | p-Value | |
|---|---|---|---|---|
| Age (years) | 37 (33-42) | 31 (28-34) | 29 (26-31) | p < 0.05 |
| BMI (kg/m2) | 22.94 (20.89-24.98) |
22.03▲ (20.03-24.24) |
21.79▲ (20.03-23.87) |
p < 0.05# |
| AMH (µg/l) | 1.11 (0.47-1.80) |
2.68 (1.42-4.68) |
5.4 (3.14-8.31) |
p < 0.05# |
| Natural cycles (%) | 31 (7) | 3 (0.2) | 0 (0) | p < 0.05# |
| Short protocols (%) | 74 (16.8) | 133 (7.6) | 5 (1.2) | p < 0.05# |
| Long protocols (%) | 29 (7) | 701 (40.3) | 268 (66) | p < 0.05# |
| Antagonist protocols (%) | 147 (33.3) | 818 (47.1) | 132 (32.5) | p < 0.05# |
| PPOS (%) | 149 (33.8) | 80 (4.6) | 1 (0.2) | p < 0.05# |
| Mild stimulation protocols (%) | 11 (2.5) | 3 (0.2) | 0 (0) | p < 0.05# |
| AFC (pieces) | 5 (4-7) | 12 (8-16) | 16 (14-17) | p < 0.05# |
| Gn medication days (d) | 8 (7-9) | 10 (9-12) | 11 (10-12) | p < 0.05# |
| Gn dosage (U) | 2475 (1800-3225)★ | 2550 (2025-3000)★ | 1993.75 (1421.88-2625) | p < 0.05 |
| E2 on the hCG triggering day (pmol/l) | 726.39 (376.48–1141.41) |
2399.85 (1832.54–3307.17) |
4421 (4184.74–5507.15) | p < 0.05 |
| Retrieved oocytes (pieces) | 2 (1–3) | 9 (6–12) | 18 (17–19) | p < 0.05 |
| Available embryos (pieces) | 1 (0–1) | 4 (2–5) | 7 (5–9) | p < 0.05 |
LR, low ovarian response; NR, normal ovarian response; HR, high ovarian response.
BMI, body mass index, BMI = weight (kg)/height (m2); AMH, anti-Müllerian hormone; PPOS, progestin-primed ovarian stimulation; AFC, antral follicle count;
Gn: gonadotropin.
▲Group NR and group HR have no significant differences in BMI (p > 0.05).
★Group LR and group NR have no significant differences in Gn dosage (p > 0.05).