Multivariate analysis | |||
---|---|---|---|
OR | 95% CI | P | |
Woman’s age (years) | 0.001 | ||
< 30 | 1 | ||
30-34 | 1.48 | 1.15-1.90 | |
35-39 | 1.01 | 0.78-1.31 | |
≥ 40 | 0.64 | 0.47-0.88 | |
Inclusion center | <0.001 | ||
Marseille | 1 | ||
Bois-Guillaume | 1.76 | 1.32-2.34 | |
Sèvres | 1.37 | 0.99-1.88 | |
Besançon | 1.33 | 0.93-1.91 | |
Caen | 2.18 | 1.58-3.00 | |
Cochin | 0.88 | 0.62-1.24 | |
Clermont-Ferrand | 1.50 | 1.06-2.12 | |
Montsouris | 0.96 | 0.70-1.33 | |
Year of 1st oocyte retrieval | 0.003 | ||
2000 | 1 | ||
2001 | 1.45 | 1.14-1.83 | |
2002 | 1.44 | 1.14-1.82 | |
Origin of infertility | 0.14 | ||
Female | 1 | ||
Male | 0.85 | 0.69-1.06 | |
Couple | 0.80 | 0.62-1.03 | |
Unexplained | 1.09 | 0.81-1.46 | |
Number of embryos obtained at 1st attempt | 0.79 | ||
0-1 | 1 | ||
2-5 | 1.06 | 0.85-1.32 | |
> 5 | 1.08 | 0.85-1.38 | |
Number of attempts | 0.008* | ||
1 | 1 | ||
2-4 | 1.25 | 1.03-1.53 | |
>4 | 1.44 | 1.06-1.97 |