| Table 4. Donor oocyte cycle characteristics: comparison between groups negative and positive for clinical pregnancy and live birth. | ||||||
| Clinical pregnancy | Live birth | |||||
|---|---|---|---|---|---|---|
| Negative n=111 | Positive n=102 | p value | Negative n=125 | Positive n=88 | p value | |
| Age | 45.3±5.4 | 41.7±5.3 | 0.036 | 43.0±5.3 | 41.8±5.4 | 0.091 |
| Body mass index | 23.9±3.5 | 24.1±4.1 | 0.915 | 23.9±3.7 | 24.1±4.0 | 0.734 |
|
Attempted cycles First attempt (n) More than one attempt (n) |
62 49 |
71 31 |
0.061 |
70 55 |
63 25 |
0.030 |
| Days on medication | 19.2±3.6 | 19.0±4.9 | 0.449 | 19.2±3.8 | 18.9±4.9 | 0.250 |
| Endometrium thickness | 7.9±1.4 | 8.1±1.6 | 0.242 | 7.9±1.5 | 8.1±1.5 | 0.124 |
|
Oocyte source Fresh (n) Frozen (n) |
97 14 |
83 18 |
0.318 |
108 17 |
72 15 |
0.376 |
|
Estrogen replacement Oral constant dose (n) Oral crescent dose (n) |
53 55 |
67 30 |
0.007 |
65 56 |
55 29 |
0.124 |
| GnRH administration (n) | 20 | 22 | 0.582 | 23 | 19 | 0.709 |
|
Endometrial preparation Hormone replacement (n) Spontaneous cycle (n) |
108 2 |
96 4 |
0.426 |
121 2 |
83 4 |
0.235 |
|
Embryo classification BL1 (n) Others (n) |
72 39 |
73 29 |
0.322 |
70 55 |
63 25 |
0.371 |
The values represent the mean values for the groups plus or minus a standard deviation or number of cycles. Statistically significant differences are highlighted in bold type followed by the calculated p values.