| Table 2. Comparison of clinical characteristics and IVF outcomes between receptor age groups. | |||
| Items | <45 (n=180) | ≥45 (n=88) | p-value |
|---|---|---|---|
| Receptor age | 40.44(±2.89) | 47.07(±2.02) | <0.0001 |
| Embryo biopsy day Day 5 Day 6 |
128(71.11) 52(28.89) |
59(67.05) 29(32.95) |
0.496 |
| Embryo quality Excellent blastocysts (AA) Good blastocysts (AB, BA) Fair blastocysts (BB) Poor blastocysts (C_, _C) |
66(36.67) 65(36.11) 42(23.33) 7(3.89) |
37(42.05) 30(34.09) 16(18.18) 5(5.68) |
0.474 0.850 0.422 0.725 |
| Endometrial thickness (mm) | 9.60(±2.21) | 9.16(±1.92) | 0.096 |
| Pregnancy Positive Negative |
112(62.22) 68(37.78) |
55(62.5) 33(37.5) |
0.964 |
| Clinical pregnancy Ongoing pregnancy Miscarriage Biochemical pregnancy |
83(46.11) 20(11.11) 9(5) |
42(47.73) 6(6.82) 7(7.95) |
0.906 0.371 0.494 |
Data are presented as mean(±SD) or n(%). Differences between groups with quantitative variables were assessed by Student's t-distribution, and groups with categorical variables by Chi-squared and F distribution.