Diagnostic Performance of Posterior Cingulate Sign with Respect to AD
| Proportion | 95% Confidence interval | ||
|---|---|---|---|
| Lower limit | Upper limit | ||
| Sensitivity: 16/20 = 80.00% | 55.73% | 93.39% | |
| Specificity: 19/20 = 95.00% | 73.06% | 99.74% | |
| Positive predictive value: 16/17 = 94.12% | 69.24% | 99.69% | |
| Negative predictive value: 19/23 = 82.61% | 60.45% | 94.28% | |
| % Correct: 35/40 = 87.50% | 72.40% | 95.31% | |
| Likelihood ratio: 16.00 | 12.64 | 20.26 | |