Table 3. Prognostic accuracy of sperm vacuolisation grades III+IV to predict outcome after IVF/ICSI.
| Statistical characteristics | Pregnant | Non-pregnant | P value |
|---|---|---|---|
| Vacuolisation grades III–IV (%) | 76.72±15.82 | 76.21±13.79 | 0.836 |
| Area under ROC curve (95% CI) | 0.533 (0.440–0.626) | ||
| Cutoff (%) | 73.5 | 0.090 | |
| Sensitivity (%) | 32.1 | ||
| Specificity (%) | 54.4 | ||
| Positive predictive value (%) | 46.6 | ||
| Negative predictive value (%) | 39.4 | ||
Abbreviations: ICSI, intracytoplasmic sperm injection; IVF, in vitro fertilisation; ROC, receiver operating characteristic.