Table 2. IVF versus ICSI uncorrected values.
| Morphokinetic parameters | IVF | ICSI | Univariate p value | Multivariate analysis | |||
|---|---|---|---|---|---|---|---|
| mean ± SD | n | mean ± SD | n | p value | OR [95%CI] | ||
| tPNf | 25.9 ± 10.2 | 182 | 23.2 ± 5.9 | 189 | 0.005 | 0.569 | 1.069 [0.849–1.348] |
| t2 | 29.3 ± 10.4 | 181 | 25.9 ± 5.1 | 187 | <0.001 | 0.033 | 1.282 [1.020–1.612] |
| t3 | 38.4 ± 10.0 | 180 | 35.4 ± 6.2 | 187 | 0.001 | 0.773 | 0.986 [0.894–1.086] |
| t4 | 40.2 ± 7.2 | 176 | 37.7 ± 6.7 | 182 | 0.003 | 0.302 | 0.952 [0.867–1.045] |
| t5 | 50.4 ± 10.7 | 175 | 46.9 ± 7.9 | 177 | 0.001 | 0.264 | 1.035 [0.974–1.100] |
| t6 | 53.0 ± 10.2 | 169 | 50.9 ± 8.5 | 174 | 0.096 | 0.193 | 0.946 [0.870–1.028] |
| t7 | 56.0 ± 9.7 | 163 | 54.1 ± 9.9 | 170 | 0.177 | 0.287 | 1.034 [0.972–1.100] |
| t8 | 60.8 ± 11.9 | 158 | 58.8 ± 12.5 | 165 | 0.407 | ||
| t9 | 70.2 ± 10.3 | 138 | 68.1 ± 11.2 | 149 | 0.437 | ||
| tSC | 80.6 ± 10.9 | 152 | 77.7 ± 12.6 | 160 | 0.327 | ||
| tM | 90.3 ± 10.0 | 147 | 87.4 ± 11.1 | 151 | 0.352 | ||
| tSB | 98.0 ± 9.0 | 146 | 97.2 ± 10.7 | 149 | 0.496 | ||
| tB | 112.3 ± 10.7 | 131 | 109.5 ± 10.8 | 128 | 0.437 | ||
| tEB | 121.1 ± 10.2 | 99 | 119.4 ± 11.6 | 105 | 0.921 | ||
| Blast1.tB-tSB | 15.3 ± 6.8 | 130 | 14.9 ± 6.9 | 126 | 0.969 | ||
| Blast.tSB-t2 | 70.8 ± 8.2 | 146 | 72.5 ± 9.7 | 149 | 0.004 | 0.064 | 0.970 [0.940–1.002] |
| cc2.t3-t2 | 9.1 ± 4.8 | 180 | 9.7 ± 4.2 | 187 | 0.495 | ||
| cc3.t5-t3 | 13.0 ± 8.8 | 175 | 12.0 ± 5.8 | 177 | 0.305 | ||
| s2.t4-t3 | 2.7 ± 4.9 | 176 | 2.4 ± 3.9 | 182 | 0.977 | ||
| s3.t8-t5 | 11.7 ± 9.9 | 158 | 11.6 ± 10.7 | 165 | 0.434 | ||
Comparison of time lapse parameters (hours) between sibling oocytes inseminated by IVF and ICSI. SD: standard deviation, n: number, OR: odds ratio, CI: confidence interval.