Diagnostic efficiency of FNA cytology | Value | 95% Confidence interval |
---|---|---|
Sensitivity | 88.4% | 82.1%- 93.1% |
Specificity | 48.8% | 32.9% -64.9% |
ROC* area (Sens. + Spec.)/2 | 0.686 | 0.604- 0.768 |
Likelihood ratio (+) | 1.73 | 1.27 -2.34 |
Likelihood ratio (−) | 0.237 | 0.137- 0.409 |
Odds ratio | 7.28 | 3.32- 16 |
Positive predictive value | 86.1% | 79.5% -91.2% |
Negative predictive value | 54.1% | 36.9%- 70.5% |