Table 5:
Comparison of diagnostic value of conventional and digital radiography in detection of cavitated and non-cavitated lesions according to type of tooth (%)
| Receptor | Diagnostic value (%) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Premolar | Molar | ||||||||||||||
| Sensitivity | Specificity | Positive predictive value | Negative predictive value | Accuracy | Sensitivity | Specificity | Positive predictive value | Negative predictive value | Accuracy | ||||||
| Film with 60 kVp | 86.76 | 85.0 | 89.28 | 91.9 | 80.6 | 81.25 | 62.5 | 100.0 | 100.0 | 72.7 | |||||
| Film with 70 kVp | 80.88 | 77.27 | 87.5 | 91.9 | 67.7 | 75.0 | 55.55 | 100.0 | 100.0 | 63.6 | |||||
| PSP with 60 KVP | 78.12 | 66.66 | 82.60 | 60.0 | 86.4 | 79.41 | 84.84 | 74.28 | 75.7 | 83.9 | |||||
| PSP with 70 kVp | 75.0 | 81.25 | 69.44 | 70.3 | 80.6 | 84.37 | 72.72 | 90.47 | 80.0 | 86.4 | |||||
| CCD with 60 kVp | 64.70 | 68.57 | 60.60 | 64.9 | 64.5 | 68.75 | 50.0 | 75.0 | 40.0 | 81.8 | |||||
| CCD with 70 kVp | 72.05 | 73.68 | 70.0 | 75.7 | 67.7 | 62.5 | 42.85 | 77.77 | 60.0 | 63.6 | |||||