Table 3.
|
Multivariate analysis |
||
---|---|---|---|
OR | 95% CI | P | |
Woman’s age (years) |
|
|
<0.001* |
< 30 |
1 |
|
|
30-34 |
1.46 |
1.21-1.77 |
|
35-39 |
1.50 |
1.23-1.83 |
|
≥ 40 |
1.69 |
1.33-2.15 |
|
Inclusion center |
|
|
<0.001 |
Marseille |
1 |
|
|
Bois-Guillaume |
0.79 |
0.63-0.97 |
|
Sèvres |
1.06 |
0.83-1.37 |
|
Besançon |
0.99 |
0.76-1.30 |
|
Caen |
1.83 |
1.40-2.41 |
|
Cochin |
1.07 |
0.82-1.39 |
|
Clermont-Ferrand |
1.18 |
0.89-1.56 |
|
Montsouris |
1.56 |
1.18-2.05 |
|
Year of 1st oocyte retrieval |
|
|
<0.001* |
2000 |
1 |
|
|
2001 |
1.13 |
0.94-1.35 |
|
2002 |
1.43 |
1.19-1.72 |
|
Origin of infertility |
|
|
0.206 |
Female |
1 |
|
|
Male |
1.03 |
0.97-1.23 |
|
Couple |
0.90 |
0.74-1.09 |
|
Unexplained |
0.83 |
0.67-1.04 |
|
Number of embryos obtained at 1stattempt |
|
|
0.009* |
0-1 |
1 |
|
|
2-5 |
1.10 |
0.93-1.31 |
|
> 5 |
1.29 |
1.06-1.55 |
|
Number of attempts |
|
|
<0.001* |
1 |
1 |
|
|
2-4 |
1.59 |
1.37-1.84 |
|
>4 | 3.76 | 2.78-5.08 |
* P for trend.