3.
两组患者卵子解冻结局比较
Comparison of the outcomes of oocyte thawing between the two groups
| Index | < 35 years group | ≥35 years group | P |
| No. of cycles | 11 | 8 | |
| No. of oocytes vitrification | 15.82±6.08 | 5.38±3.82 | 0.001 |
| Vitrification freezing duration (month) | 4.0 (1-47) | 2.5 (1-17) | 0.295 |
| No. of oocytes survived | 13.09±5.05 | 4.00±2.73 | < 0.001 |
| Survival rate (%) | 82.76 (144/174) | 74.42 (32/43) | 0.211 |
| No. of MII oocytes for ICSI | 9.55±4.46 | 3.25±2.12 | 0.002 |
| Normal fertilization rate (%) | 72.38 (76/105) | 84.62 (22/26) | 0.198 |
| Cleavage rate (%) | 88.16 (67/76) | 95.45 (21/22) | 0.449 |
| No. of embryos available | 3.36±2.50 | 2.00±1.41 | 0.185 |
| No. of high quality embryos | 2.45±2.34 | 1.13±1.73 | 0.193 |
| High quality embryo rate (%) | 35.53 (27/76) | 40.91 (9/22) | 0.645 |