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Sensitivity and Specificity of CA 19-9 in different cut off levels
| CA 19-9 cut off levels (U/ml) | Benign | Malignant | Sensitivity % | Specificity % | ||
|---|---|---|---|---|---|---|
| Normal | Increased | Normal | Increased | |||
| 37 | 19 | 5 | 11 | 67 | 86 | 79 |
| 100 | 21 | 3 | 46 | 32 | 41 | 87 |
| 200 | 23 | 1 | 60 | 18 | 23 | 96 |
| 300 | 24 | 0 | 71 | 7 | 8 | 100 |
