Table 1 Patient information according to BMI class
|  | 18.5 ≤ BMI < 25.0 | 25.0 ≤ BMI < 30.0 | BMI ≥ 30.0 | Statistical method | P-value |
|---|---|---|---|---|---|
(n = 10) | (n = 10) | (n = 10) | |||
Age (years) | 31.5 ± 4.67 | 32.7 ± 4.3 | 35.0 ± 6.8 | Linear regression | NS |
Body Weight (kg) | 61.6 ± 4.7 | 75.6 ± 11.8 | 95.5 ± 11.4 | NA |  |
BMI (kg/m 2 ) | 21.5 ± 0.3 | 28.1 ± 1.5 | 34.2 ± 2.4 | NA |  |
Mean IVF attempt number | 1.3 ± 0.7 | 2.0 ± 1.3 | 2.2 ± 1.5 | Quasipoisson regression | NS |
ICSI/IVF | 5/5 | 2/8 | 5/5 | Student’s t test | NS |
Gonadotropins administered (IU) | 1793 ± 554 | 2100 ± 1034 | 2645 ± 933 | Linear regression | 0.04 |
Infertility cause (n) | Â | Â | Â | NA | Â |
Idiopathic | 8 | 7 | 7 | ||
PCOS | 1 | 1 | 2 | ||
Endometriosis | 0 | 2 | 0 | ||
Tubal | 1 | 0 | 1 | ||
No. oocytes | 9.1 ± 3.6 | 7.2 ± 2.9 | 6.7 ± 4.8 | Quasipoisson regression | NS |
No. 2PN | 6.5 ± 2.2 | 4.5 ± 1.1 | 3.5 ± 2.1 | Quasipoisson regression | < 0.01 |
No. 2PN/No. oocytes (%) | 73.1 ± 12.0 | 67.3 ± 18.8 | 61.1 ± 24.9 | Logistic regression | 0.03 |
No. embryos | 2.3 ±1.2 | 1.5 ± 0.5 | 1.8 ± 0.6 | Quasipoisson regression | NS |
No. embryos/No. oocytes (%) | 30.2 ± 22.3 | 22.8 ± 9.1 | 42.0 ± 32.1 | Logistic regression | NS |
No. embryos/No. 2PN (%) | 39.8 ± 24.9 | 35.6 ± 16.5 | 64.2 ± 28.2 | Logistic regression | NS |
No. top quality embryos | 2.0 ± 1.5 | 0.8 ± 0.9 | 1.0 ± 1.1 | Quasipoisson regression | NS |
No. top quality embryos/No. oocytes (%) | 26.9 ± 25.4 | 11.4 ± 15.2 | 19.4 ± 30.1 | Logistic regression | NS |
No. top quality embryos/No. 2PN (%) | 34.5 ± 29.8 | 19.6 ± 24.8 | 30.2 ± 33.1 | Logistic regression | NS |
No. embryos transferred | 1.1 ± 0.3 | 1.3 ± 0.5 | 1.5 ± 0.5 | Quasipoisson regression | NS |
No. live births | 3 | 2 | 5 | Logistic regression | NS |
Maximal E 2 values (pg/ml) | 1571 ± 445 | 1399 ± 769 | 1505 ± 928 | Linear regression | NS |