Table 4.
Accuracy of the two general dentists with and without the multilayer imaging program
| Observer 1 | Observer 2 | |||||
|---|---|---|---|---|---|---|
| Without program (95% CI) |
With program (95% CI) |
p-value | Without program (95% CI) |
With program (95% CI) |
p-value | |
| Area under the ROC curve | 0.792 (0.738–0.846) |
0.923 (0.885–0.960) |
<0.001* | 0.833 (0.782–0.883) |
0.862 (0.818–0.906) |
0.148 |
| Sensitivity | 0.793 (0.666–0.888) |
0.914 (0.810–0971) |
0.828 (0.706–0.714) |
0.879 (0.767–0.950) |
||
| Specificity | 0.790 (0.762–0.817) |
0.931 (0.713–0.947) |
0.838 (0.812–0.862) |
0.845 (0.819–0.868) |
||
| PPV | 0.196 (0.169–0.226) |
0.461 (0.399–0.524) |
0.247 (0.214–0.238) |
0.267 (0.233–0.304) |
||
| NPV | 0.983 (0.973–0.990) |
0.994 (0.986–0.997) |
0.987 (0.977–0.993) |
0.991 (0.982–0.995) |
||
ROC, receiver operating characteristic; PPV, positive predictive value; NPV, negative predictive value; CI, confidence interval
*p<0.05.