Table 3 Subgroup analysis of women with BMI ≤25 kg/m2 vs > 25 kg/m2
From: Ovulation induction with minimal dose of follitropin alfa: a case series study
Characteristic/variable | ≤25 kg/m2 (n = 217) | > 25 kg/m2 (n = 91) | p value |
|---|---|---|---|
Age, years | 31.6 (3.69) | 32.3 (3.7) | NS |
BMI, kg/m2 | 21.5 (2.1) | 29.0 (3.3) | 0.0001 |
PCOS, n (%) | 131 (60.4) | 81 (89.0) | 0.0001 |
Other/unknown etiology, n (%) | 84 (38.7) | 10 (11.0) | 0.0001 |
Duration of infertility, months | 29.0 (3.3) | 28.0 (18.8) | NS |
Number of previous OI cycles | 1.2 (1.2) | 1.2 (1.2) | NS |
Duration of stimulation, days | 10.4 (5.5) | 12.5 (4.0) | 0.001 |
Total dose of r-hFSH, IU | 574 (417) | 606 (356) | 0.005 |
Cycles cancelled, n (%) | 11 (5.1) | 3 (3.3) | NS |
Poor response, n (%) | 8 (3.7) | 2 (2.2) | NS |
OHSS risk, n (%) | 3 (1.4) | 1 (1.1) | NS |
Number of follicles ≥16 mm in diameter | 1.4 (0.6) | 1.4 (0.3) | NS |
Clinical pregnancy, * n (%) | 54 (24.9) | 19 (20.7) | NS |
Singleton pregnancy, n (%) | 52 (96.3) | 17 (89.5) | NS |
Twin pregnancy, n (%) | 2 (3.7) | 2 (10.5) | NS |