Table 4 Comparison of clinical outcomes between different subgroups.
Parameter | IVF-I | IVF-II | IVF-III | χ2 | ICSI-I | ICSI-II | ICSI-III | χ2 |
|---|---|---|---|---|---|---|---|---|
Number of transplant cycles | 23 | 21 | 12 | – | 12 | 15 | 18 | – |
Number of retrieved oocytes | 381 | 402 | 106 | – | 160 | 161 | 246 | – |
Number of MLL oocytes | 263 | 281 | 88 | – | 130 | 125 | 212 | – |
Normal number of fertilized oocytes | 241 | 238 | 71 | – | 101 | 102 | 147 | – |
Fertilized oocytes | 319 | 326 | 85 | – | 112 | 115 | 179 | – |
Fertilization cleavage, embryo number | 305 | 320 | 81 | – | 109 | 112 | 176 | – |
Fertilization rate (%) | 319/381 (83.72) | 326/402 (81.09) | 85/106 (80.20) | 3.256 | 112/160 (70.00) | 115/161 (71.42) | 179/246 (72.76) | 5.622 |
Optimal rate of embryo (%) | 120/241 (49.79) | 112/238 (47.06) | 31/71 (43.66) | 0.261 | 33/101 (32.67) | 41/102 (40.19) | 62/147 (42.18) | 5.636 |
The cleavage rate (%) | 305/319 (95.61) | 320/326 (98.16) | 81/85 (95.29) | 5.218 | 109/112 (97.32) | 112/115 (97.39) | 176/179 (98.32) | 5.012 |
Clinical pregnancy rate (%) | 12 (60.00) | 9 (50.00) | 4 (50.00) | 0.856 | 6 (66.6) | 5 (41.67) | 7 (46.67) | 1.803 |