| Table 3. Embryo polyploidy rate (≥ 3PN) for the different stages of oocyte maturation | ||||
| Stage of oocyte maturation | Total oocytes | ≥ 3PN (%) | OR (95% CI)* | p-valueϯ |
| MII | 1291 | 3.55% | - | - |
| Rescued MI-MII | 205 | 5.47% | 1.6 (0.8 - 3.1)ŧ | 0.195ŧ |
| Arrested MI | 153 | 8.84% | 2.6 (1.3 - 5.4)§ | 0.008§ |
PN- pronucleus
* OR: odds ratio calculated according to Altman; 95% CI: 95% confidence interval.
ϯ Pearson correlation and chi-square calculation according to Sheskin
ŧ Comparison of MII-MI to MII
§ Comparison of MI to MII