Table 3.
Variable | Univariable | Multivariable | ||
---|---|---|---|---|
OR (95% CI) | p value | OR (95% CI) | p value | |
Female age | 1.01 (0.97–1.06) | 0.543 | ||
Female BMI | 0.98 (0.93–1.03) | 0.457 | ||
Smoking | 1.20 (0.85–1.70) | 0.299 | ||
Years of infertility | 1.00 (0.98–102) | 0.829 | ||
Primary infertility | 0.45 (0.32–0.65) | < 0.001 | ||
Previous ectopic pregnancies | 0.63 (0.23–1.72) | 0.370 | ||
Basal FSH | 0.91 (0.84–0.98) | 0.012 | 0.90 (0.84–0.97) | 0.010 |
Basal AMH | 0.93 (0.85–1.02) | 0.124 | ||
AFC | 0.98 (0.95–1.01) | 0.119 | ||
Positive history for pelvic adhesionsa | 2.26 (1.52–3.37) | < 0.001 | 2.24 (1.50–3.37) | < 0.001 |
Uterine fibroids | 1.47 (0.97–2.25) | 0.072 | − | |
Indication to treatment | ||||
Male factor | 0.70 (0.49–1.01) | 0.059 | − | |
Tubal factor | 1.37 (0.86–2.18) | 0.181 | ||
Endometriosis | 2.04 (1.09–3.82) | 0.026 | ||
Unexplained | 1.14 (0.70–1.86) | 0.611 | ||
Male and female factor | 0.89 (0.52–1.50) | 0.658 | ||
Ovulation disorder | 0.99 (0.36–2.70) | 0.984 | ||
Diminished ovarian reserve | 0.92 (0.49–1.72) | 0.798 | ||
Multiple female factors | 1.35 (0.55–3.33) | 0.518 | ||
Procedures | ||||
Fresh ET | 1 | |||
Frozen ET | 0.73 (0.48–1.10) | 0.133 | ||
Frozen oocytes | 0.75 (0.23–2.39) | 0.628 | ||
IUI | 1.35 (0.70–2.62) | 0.374 |
A minus symbol in multivariable column indicates a variable entered in the analysis and then removed for lack of significance. Multivariable results are corrected by years.
IUI: intrauterine insemination; BMI: body mass index; FSH: follicular stimulating hormone; AMH: anti Müllerian hormone; AFC: antral follicular count; ET: embryo transfer.
ai.e. pelvic infections, endometriosis, pelvic adhesions and frozen pelvis.