Table 3.
Laboratory outcomes before and after matching.
| Unmatched |
Matched |
|||||
|---|---|---|---|---|---|---|
| Control n = 3973 | Case n = 70 | P value | Control n = 195 | Case n = 65 | P value | |
| No. of oocytes retrieved | 47,104 | 777 | 2205 | 765 | ||
| Mature oocyte rate (%) | 83.9 (39,524) | 83.3 (647) | 0.658 | 83.0 (1831) | 83.3 (637) | 0.911 |
| Normal fertilization rate (%) | 70.6 (27,890) | 71.9 (465) | 0.487 | 68.8 (1259) | 71.9 (458) | 0.147 |
| Damaged oocyte rate (%) | 3.2 (1520) | 2.3 (18) | 0.181 | 3.5 (78) | 2.2 (17) | 0.074 |
| Cleavage rate (%) | 97.8 (27,281) | 98.5 (458) | 0.345 | 98.3 (1238) | 98.7 (452) | 0.669 |
| HQE rate (%) | 48.1 (13,133) | 45.2 (207) | 0.211 | 46.6 (577) | 45.4 (205) | 0.647 |
| Blastocyst formation rate (%) | 70.0 (16,125) | 60.9 (240) | <0.001 | 67.9 (672) | 61.2 (240) | 0.020 |
| Available blastocyst rate (%) | 70.9 (11,438) | 72.9 (175) | 0.520 | 68.3 (459) | 72.9 (175) | 0.192 |
Note:.
HQE, high quality embryo.
Categorical variables were presented as% (n).
P < 0.05 was considered statistically significant.