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Key importance of specificity when screening for rare events
| Test result | DILI | No DILI | Totals | Value |
|---|---|---|---|---|
| Positive | 100 (TP) | 4,995 (FP) | 5,095 | 0.0196 |
| Negative | 0 (FN) | 94,905 (TN) | 94,005 | 1.0000 |
| 100 | 99,900 | 100,000 |
| Incidence | Sensitivity | Specificity | Accuracy | |
|---|---|---|---|---|
| 1 per 1,000 | 100 % | 95 % | 95.0 % |
DILI drug-induced liver injury, the disease sought, TP true positive test result, FN false negative test result, FP false positive test result, TN true negative test result
