Table 1 Patients’ baseline characteristics
All | EFD (mm) | p | ||||
|---|---|---|---|---|---|---|
<5 | 5-9.9 | 10-15 | >15 | |||
(n = 1184) | (n = 59) | (n = 548) | (n = 429) | (n = 148) | ||
Age (years) | 35.2 ± 4.4 | 34.8 ± 4.2 | 35.2 ± 4.3 | 35 ± 4.7 | 35.8 ± 3.8 | ns |
Smoking habit (%) | 16.4 | 16.4 | 18.6 | 15.3 | 12 | ns |
BMI | 22.8 ± 3.4 | 24 ± 3.6 | 22.6 ± 3.2 | 22.8 ± 3.4 | 23 ± 3.6 | ns |
BMI > 25 (%) | 23.8 | 22.3 | 20.9 | 23.1 | 29.9 | ns |
Duration of infertility (years) | 3.8 ± 2.7 | 3.6 ± 2.2 | 3.8 ± 2.6 | 4 ± 2.8 | 3.8 ± 2.6 | ns |
Main cause of infertility (%) | ||||||
Unexplained | 45.2 | 58.3 | 45.5 | 44.2 | 41.5 | ns |
Severe endometriosis | 14 | 16.7 | 12 | 16.1 | 14.6 | ns |
Reduced ovarian reserve | 17.9 | 15.6 | 21 | 15.8 | 16.9 | ns |
Tubal factor | 22.9 | 19.4 | 21.5 | 23.9 | 27 | ns |
Associated male factor (%) | 69.2 | 71.2 | 71.3 | 65.5 | 71.6 | ns |
Basal FSH (UI/L) | 7.6 ± 3.1 | 6.8 ± 2.4 | 7.9 ± 3.2 | 7.5 ± 2.8 | 7.5 ± 3.5 | ns |
Antral follicle count (AFC) | 15.3 ± 8.5 | 18.2 ± 10.9 | 15.1 ± 8.8 | 15.2 ± 8.1 | 15 ± 7.8 | ns |