Performance of circulating tumor DNA in identifying ovarian cancer, PPV = positive predictive value, NPV = negative predictive value
| Malignant | Benign | Total | |||
|---|---|---|---|---|---|
| Genetic tumor profile | Highly abnormal | 9 | 0 | 9 | PPV=100% |
| Normal or slightly abnormal | 23 | 32 | 55 | NPV=42% | |
| Total | 32 | 32 | 64 | ||
| Sensitivity = 28% | Specificity = 100% | ||||