Table 2.
Treatment cycle data
| IMSI | ICSI | P | ||
|---|---|---|---|---|
| Number of cycles | 275 | 573 | ||
| Hypothalamic inhibition | ||||
| Agonist-short protocol | 26 (9.5) | 150 (26.2) | < 0.0001 | |
| Agonist-long protocol | 225 (81.8) | 308 (53.8) | < 0.0001 | |
| Antagonist | 24 (8.7) | 113 (19.7) | < 0.0001 | |
| None | 0 (0.0) | 2 (0.3) | 1 | |
| Mean number of retrieved oocytes | 10.5 ± 5.4 | 11.6 ± 6.0 | 0.0053 | |
| Mean number of fertilized (2pn) oocytes | 8.6 ± 4.7 | 8.4 ± 4.7 | 0.6928 | |
| Mean number of cleaved embryos | 7.4 ± 4.0 | 8.0 ± 4.5 | 0.0502 | |
| Mean number of blastocysts in J5/6 cycles | 4.4 ± 2.7 | 4.6 ± 2.5 | 0.2108 | |
| Number of embryo transfers | ||||
| Day 2 | 2 (0.7) | 27 (4.7) | 0.0019 | |
| Day 3 | 70 (25.5) | 318 (55.5) | < 0.0001 | |
| Day 4 | 0 | 1 (0.2) | 1 | |
| Day 5 | 203 (73.8) | 227 (39.6) | < 0.0001 | |
| Total number of transferred embryos | 511 | 923 | ||
| Mean number of transferred embryos | 1.86 ± 0.44 | 1.61 ± 0.54 | < 0.0001 | |
Values are n (%) except for means (indicated before figures). Mann-Whitney test for comparisons of means and Fisher’s exact test for percentages