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| Patients with thyroid nodules | ||||
|---|---|---|---|---|
| Malignant nodules | Benign nodules | |||
| FNAB findings | Positive (malignant) | True positive | False positive | PPV |
| 6 (7.7%) | 20 (25.7%) | 23% | ||
| Negative (benign) | False negative | True negative | NPV | |
| 4 (5.1%) | 48 (61.5%) | 92% | ||
| SEN | SPE | |||
| 60% | 71% | |||
SEN = sensitivity, SPE = specifity, PPV = positive predictive value, NPV = negative predictive value.
