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| Predictors | Metastasis | Positive predictive value | Negative predictive value | |
|---|---|---|---|---|
| + | – | |||
| Either + | 14 | 59 | 19% (14/73) | – |
| Both – | 3 | 78 | – | 96% (78/81) |
| Sensitivity | 82% (14/17) | – | – | – |
| Specificity | – | 57% (78/137) | – | – |
