Table 4. Diagnostic test to find the sensitivity, specificity, positive predictive value, negative predictive value and accuracy of the chair side kits.
CI: Confidence interval; PPV: Positive predictive value; NPV: Negative predictive value.
| Saliva-check mutans (CI) | Caries risk test (CI) | CariScreen (CI) | |
| Sensitivity | 88.42 | 93.14 | 92.86 |
| Specificity | 75.00 (50.5-99.5) | 91.67 (76.03-100) | 91.67 (76.03) |
| PPV | 81.25 (62.12-100) | 92.86 (79.37-100) | 92.86 (79.37-100) |
| NPV | 100.00 | 100.00 | 91.67 |
| Overall accuracy** | 88.00 (75.26-100) | 96.00 (88.32-100) | 96.00 (88.32-100) |
| McNemars chi square | .00 | .01 | .50 |
| P-value | 1.0 | 1.0 | .47 |