Table 1.
Patient characteristics and cycle outcomes.
| eSBT (n = 108) | eDBT (n = 415) | P value | |
|---|---|---|---|
| Age, mean [SD] | 33.9 [3.2] | 35.0 [3.6] | 0.0006a |
| Prior live birth (%) | 28/108 (25.9) | 76/339 (18.3) | 0.08 |
| Oocytes, mean [SD] | 17.0 [6.3] | 17.2 [6.5] | 0.58 |
| Embryos, mean [SD] | 12.4 [5.8] | 12.2 [4.9] | 0.84 |
| Blastocysts, meand [SD] | 6.5 [3.8] | 6.2 [3.0] | 0.77 |
| ICSI (%) | 50/108 (46.3) | 194/415 (46.7) | 0.80 |
| PGD (%) | 9/108 (8.3) | 25/415 (6.0) | 0.28 |
| Clinical PR (%) | 62/108 (57.4) | 207/415 (49.9) | 0.16 |
| Live birth/ongoing PR (%) | 52/108 (48.1) | 173/415 (41.7) | 0.22 |
| MGR (%) | 1/62 (1.6) | 67/207 (32.4) | 0.00b |
| Cesarean rate (%) | 12/38 (31.6) | 61/161 (37.9) | 0.47 |
| Birthweight, mean (g) | 3226.2 | 2832.2 | 0.001c |
a P < 0.01: t-test.
b P < 0.00005: chi-square test.
c P < 0.005: t-test.
dBlastocysts: mean includes blastocysts cryopreserved and transferred.