Table 1 Demographic characteristics and ART parameters of cases and controls
Variables Demographics | N of records | Mean (Std. Dev) | P values |
|---|---|---|---|
Age of pregnancy carrier | |||
 GC cycles | 187 | 31.83 (5.29) | < 0.05 |
 Controls | 185 | 37.38 (4.63) |  |
Age of egg source | |||
 GC cycles | 188 | 28.6 (5.5) | < 0.05 |
 Controls | 188 | 33.7 (10) |  |
Number of previous pregnancies | |||
 GCs | 188 | 3.28 (1.69) | < 0.05 |
 Controls | 188 | 0.94 (1.06) |  |
Number of previous deliveries | |||
 GCs | 188 | 2.32 (1.67) | < 0.05 |
 Controls | 188 | 0.18 (0.45) |  |
Endometrial Thickness (mm) | |||
 GCs | 179 | 10.13 (2.64) | NS |
 Controls | 149 | 10.61 (1.95) |  |