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Contingency table.
| Abnormality | Total | True pos. | False neg. | False pos. | True neg. | Sens (%) | Spec (%) | NPV | PPV |
|---|---|---|---|---|---|---|---|---|---|
| Pathology | 94 | 21 | 7 | 2 | 64 | 75 | 97 | 0,9 | 0,91 |
| AF | 94 | 11 | 0 | 5 | 78 | 100 | 94 | 1 | 0,69 |
| Pacemaker | 94 | 3 | 6 | 0 | 85 | 33 | 1 |
Neg. = negative, NPV = Neg.predictive value, Pos. = positive, PPV = Pos. predictive value, Sens. = sensitivity, Spec = specificity.
