Table 1 Basic characteristics of the 9,528 patients who underwent an initial IVF/ICSI cycle
Group A (≤8 mm) | Group B (9–14 mm) | Group C (≥15 mm) | p | |
|---|---|---|---|---|
NO. | 464 | 7,539 | 1,525 | |
Age (year) | 30.44 ± 4.065 | 29.95 ± 4.367 | 30.07 ± 4.322 | 0.060 |
BMI (kg/m2) | 21.3 ± 2.32 | 22.39 ± 3.07 | 22.33 ± 3.55 | 0.142 |
Duration of infertility (year) | 3.64 ± 2.5 | 4.5 ± 3.62 | 4.6 ± 3.39 | 0.351 |
Basal FSH (IU/L) | 7.76 ± 2.4 | 7.63 ± 2.71 | 7.79 ± 2.5 | 0.045 |
Gn (days) | 12.09 ± 1.68 | 12.04 ± 1.64 | 12.10 ± 1.60 | 0.342 |
Gn dosage (IU) | 2,163.21 ± 1,263.01 | 2,149.34 ± 876.44 | 2,156.46 ± 844.392 | 0.943 |
Type of Gn | ||||
Recombinant FSH | 83.78%(389) | 86.99%(6,558) | 87.60%(1,336) | 0.101 |
Urinary FSH | 16.22%(75) | 13.01%(981) | 12.40%(189) | 0.101 |
Endometrial pattern | ||||
Triple line pattern | 71.39%(331) | 87.54%(6,599) | 83.91%(1,279) | 0.000 |
No-triple line pattern | 28.61%(133) | 12.46%(940) | 17.09%(246) | 0.000 |
IVF | 81.03%(376) | 77.99%(5,880) | 76.19%(1,162) | 0.096 |
ICSI | 18.96%(88) | 22.01%(1,659) | 23.81 (363) | 0.096 |
Long agonist protocol | 100%(464) | 100%(7,539) | 100%(1,525) | NS |
No. of transferred embryos | 2 | 2 | 2 | NS |
Infertility diagnosis | ||||
Tubal factor | 57.11%(265) | 51.29%(3867) | 42.29%(645) | 0.000 |
Male factor | 28.23%(131) | 38.49%(2902) | 40.06%(611) | 0.000 |
Endometriosis, pelvic and uterine factors | 5.38%(25) | 5.50%(415) | 5.83%(89) | 0.865 |
Unexplained and others | 9.26%(43) | 4.70%(355) | 11.80%(180) | 0.000 |