 |
|||
Understanding Test Performance
| Total Population | |||
| Prevalence | |||
| Sick | Well | ||
| Sensitivity | Specificity | ||
| True Positive | False Positive | False Negative | True Negative |
| Positive Predictive Value (PPV) | Negative Predictive Value (NPV) | ||
| If you get 10 positives, expect that | If you get 10 negatives, expect that | ||
| are false positives. | are false negatives. | ||