| Table 2 – Patient demographic and clinical data | ||
|
Group 1 Semi-rigid catheter |
Group 2 Flexible catheter |
|
| N | 363 | 340 |
| Female Age | 34.5 ± 4.6 | 34.9 ± 4.6 |
| Male Age | 37.4 ± 6.1 | 37.8 ± 6.0 |
| Baseline FSH (I.U./ml) | 8.5 ± 4.8 | 9.3 ± 4.6 |
| Baseline LH (I.U./ml) | 5.7 ± 3.1 | 5.6 ± 2.6 |
| Previous attempts | 1.6 ± 1.2 a | 2.0 ± 1.4 b |
| Use of GnRH antagonists | 80/363 (22.0%)a | 92/340 (27.1%)b |
| Stimulation days | 8.3 ± 2.0 | 8.5 ± 1.9 |
| Gonadotropin dosage (I.U./ml) | 1733 ± 883 | 1698 ± 720 |
| Estradiol on the day of HCG (pg/ml) | 876 ± 532 | 894 ± 585 |
| Progesterone on the day of HCG (ng/ml) | 1.3 ± 1.0 | 1.1 ± 0.9 |
| LH on the day of HCG (I.U./ml) | 3.5 ± 2.8 | 3.5 ± 3.4 |
| Total oocytes | 8.9 ± 7.7 | 8.1 ± 6.2 |
| Mature oocytes | 6.3 ± 5.4 | 5.6 ± 4.3 |
| Transferred embryos | 2.6+1.1 | 2.7+1.0 |
| a,b Values with different letters inside the line differed significantly (P<0.05). | ||