Table 4. Analysis of ROC Curves for PR Results across Three Observers.
AUC | SD | P | 95%CI for AUC | Cutoff | sensitivity | ||
---|---|---|---|---|---|---|---|
Lower | Upper | ||||||
Graduate | 0.819 | 0.128 | 0.037 | 0.000 | 1.000 | 6.12 | 0.750 |
Endodontist | 0.995 | 0.008 | 0.000 | 0.000 | 1.000 | 6.94 | 1.000 |
Radiologist | 0.995 | 0.008 | 0.000 | 0.000 | 1.000 | 6.94 | 1.000 |
CI, confidence interval; AUC, area under the curve; SD: standard deviation.