Table IVa. Table 4b. — Baseline and outcome characteristics per thawing cycle.
| PGD group | control group | p-values | ||
| 2001-2005 | 2001-2005 | |||
| no. of thawing cycles | 119 | 583 | ||
| no. of embryos thawed | 383 | 2231 | ||
| mean no. of embryos thawed | 3.3 (SD 2.1) | 3.8 (SD 2.1) | p < 0.05 | |
|---|---|---|---|---|
| no. of frozen/thawed embryo transfer procedures | 62 | 249 | ||
| (% per thawing cycle) | 52.1% | 42.7% | p = 0.06 | |
| no. of embryos transferred | 90 | 414 | ||
| mean no. of embryos transferred | 1.5 (SD 0.6) | 1.7 (SD 0.6) | p < 0.05 | |
| no. of positive hCG measurements | 9 | 53 | ||
| no. of deliveries | 5 | 28 | ||
| (% of thawing cycles) | 4.2% | 4.8% | p = 0.79 | |
| (% of transfer cycles) | 8.1% | 11.2% | p = 0.47 | |
| singleton | 5 | 24 | ||
| twin | 0 | 4 | ||
| triplet | 0 | 0 | ||
| implantation rate (%) | 5.6% | 7.7% | p = 0.67 | |
| no. of children born | 5 | 32 |
statistically significant p-values are indicated in bold.