Table 1 Demographic data
Characteristics | Group A mean ± SD | Group B mean ± SD | P value |
|---|---|---|---|
Number of cycles (n) | 882 | 1582 | Â |
Age (years) | 30.27 ± 5.53 | 31.14 ± 5.38 | 0.0001 |
BMI (weight kg/height m2) | 28.44 ± 4.58 | 28.32 ± 4.42 | 0.524 |
Long protocol # (%) | 765 (39.4%) | 1177 (60.6%) | < 0.0001 |
Short protocol # (%) | 117 (22.4%) | 405 (77.6%) | Â |
Stimulation length (days) | 10.92 ± 2.63 | 10.79 ± 2.46 | 0.228 |
Dose of hMG (ampoules) | 37.67 ± 15.03 | 40.73 ± 16.54 | < .0001 |
Endometrial thickness cycle day 3 (mm) | 3.23 ± 1.22 | 3.21 ± 1.22 | 0.696 |
Endometrial thickness hCG day (mm) | 11.64 ± 2.13 | 11.26 ± 2.17 | < 0.0001 |
Number of medium sized follicles | 8.08 ± 5.33 | 7.12 ± 5.31 | < 0.0001 |
Number of mature follicles | 7.92 ± 3.51 | 7.62 ± 3.69 | 0.0475 |
Number of oocytes retrieved | 10.51 ± 5.43 | 9.86 ± 5.73 | 0.006 |
Number of fertilized oocytes | 5.79 ± 3.23 | 4.97 ± 3.35 | < 0.0001 |
Number of embryos | 5.3 ± 2.82 | 4.44 ± 2.81 | < 0.0001 |
Number of embryos transferred | 1.88 ± 0.37 | 1.98 ± 0.26 | 0.001 |