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Evaluation of the usefulness of FNAC.
| Value, % | 95% Confidence Interval | |
|---|---|---|
| Sensitivity | 81 | |
| Specificity | 99 | |
| Positive Predictive Value (PPV) | 93 | |
| Negative Predictive Value (NPV) | 98 | |
| Likelihood Ratio for Positive test results | 100.3 | |
| Likelihood Ratio for Negative test results | 0.19 | |
| Kappa | 0.85 | 0.707 – 0.993 |
| Prevalence of malignancies | 0.1143 | |
| Prevalence of benign findings | 0.8857 | |
| Accuracy for malignancy | 97 | |
| Accuracy for benign findings | 83 |
