Table 5.
Hormone level and ovary size during controlled ovarian stimulation.
| Variables | Mild OHSS | Moderate OHSS | P value |
|---|---|---|---|
| Number of patients | 128 | 527 | |
| Endometrial thickness on HCG (mm) | 11.54 ± 2.05 | 11.83 ± 2.12 | 0.1466 |
| Serum E2 level on HCG (pg/ml) | 6305.93 ± 2527.81 | 6195.29 ± 2688.66 | 0.4337 |
| Left ovary size on HCG* (cm) | 5.38 ± 0.85 | 5.86 ± 0.95 | <0.0001 |
| Right ovary size on HCG* (cm) | 5.89 ± 0.95 | 6.38 ± 0.91 | <0.0001 |
| Endometrial thickness on HCG+3* (mm) | 11.43 ± 2.15 | 11.88 ± 2.21 | 0.0386 |
| Serum E2 level on HCG+3*(pg/ml) | 1790.31 ± 693.25 | 2026.29 ± 730.84 | 0.0008 |
| Left ovary size on HCG+3* (cm) | 7.00 ± 0.68 | 8.55 ± 1.13 | <0.0001 |
| Right ovary size on HCG+3* (cm) | 7.04 ± 0.62 | 8.80 ± 1.08 | <0.0001 |
| ^Uterine effusion and rectocele on HCG+3* (mm) | 0.09025 | ||
| No | 117 (91.41) | 452 (85.77) | |
| Yes | 11 (8.59) | 75 (14.23) | |
| ^Uterine effusion and cystocele on HCG+3* (mm) | 0.00129 | ||
| No | 105 (82.03) | 356 (67.55) | |
| Yes | 23 (17.97) | 171 (32.45) |
^the uterine effusion and recto-/cystocele are detected by transvaginal ultrasound, and the clinician is the same one on HCG = on the day of human chorionic gonadotropin administration.
*P < 0.05.