Table 3 Accuracy of MN
From: Micronuclei detection in oral cytologic smear: does it add diagnostic value?
Parameter | Premalignant (n = 21) | Malignant (n = 23) |
|---|---|---|
True positive | ||
 n | 10 | 12 |
 % | 100% | 100% |
True negative | ||
 n | 10 | 0 |
 % | 90.9% | 0% |
False positive | ||
 n | 0 | 0 |
 % | 0% | 0% |
False negative | ||
 n | 1 | 11 |
 % | 9.1% | 100% |
Sensitivity | 90.9% | 52.2% |
95% CI | 58.72 to 99.77% | 30.59 to 73.18% |
Specificity | 100% | NA |
95% CI | 69.15 to 100.00% | Â |
Positive predictive value | 100% | 100% |
95% CI | 65–100% | 69.8 to 100% |
Negative predictive value | 90.9% | 0% |
95% CI | 60.68 to 98.48% | 0 to 32% |
Diagnostic accuracy | 95.2% | 52.2% |
95% CI | 76.18 to 99.88% | 30.59 to 73.18% |
AUC (95% CI) | 0.955 (0.866–1) | NA |