Table 1 General information of OHSS high-risk and non high-risk groups
|  | OHSS high-risk groups (n = 281) | OHSS non high-risk group | ||||
|---|---|---|---|---|---|---|
Letrozole group | Mifepristone group | GnRH-ant group | Three-drug group | Control group | ||
(n = 43) | (n = 51) | (n = 39) | (n = 28) | (n = 120) | (n = 4454) | |
Age (year) | 30.6 ± 3.5 | 29.7 ± 4.1 | 29.9 ± 4.2 | 30.2 ± 3.8 | 30.1 ± 4.0 | 30.9 ± 3.9 |
BMI (kg/m2) | 21.8 ± 3.3 | 21.5 ± 4.3 | 21.7 ± 3.0 | 21.2 ± 3.5 | 21.4 ± 2.9 | 21.3 ± 3.6 |
PCOS (n) | 7 (16.3Â %) | 8 (15.7Â %) | 5 (12.8Â %) | 4 (14.3Â %) | 18 (15.0Â %) | 142 (3.2Â %) |
Duration of infertility (year) | 4.9 ± 2.5 | 4.7 ± 2.8 | 4.6 ± 3.2 | 4.4 ± 3.1 | 4.3 ± 3.5 | 4.8 ± 3.6 |
Baseline FSH (IU/L) | 5.6 ± 1.8 | 5.3 ± 1.7 | 5.9 ± 1.5 | 5.8 ± 1.7 | 6.1 ± 1.6 | 6.3 ± 1.5 |
Baseline E2 (pg/ml) | 51.2 ± 19.4 | 49.3 ± 17.6 | 50.9 ± 17.8 | 47.4 ± 16.5 | 48.2 ± 18.2 | 46.6 ± 18.3 |
Duration of Gn (days) | 11.1 ± 2.0 | 11.2 ± 1.9 | 10.9 ± 1.6 | 11.5 ± 1.8 | 11.3 ± 2.1 | 11.2 ± 2.2 |
Total Gn ampoules (75 IU) | 24.7 ± 6.3 | 24.9 ± 6.8 | 25.3 ± 6.5 | 25.7 ± 6.6 | 25.2 ± 6.4 | 28.7 ± 9.8 |