Table 2:
Z-value for sensitivity and specificity of conventional and digital radiography for detection of lesions limited to enamel and dentin
| Receptor | Diagnostic value | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Enamel | Dentin | ||||||||
| Sensitivity | Specificity | Sensitivity | Specificity | ||||||
| Film with 60 kVp versus 70 kVp | 0.00 | 0.59 | 0.72 | 0.00 | |||||
| PSP in 60 kVp versus 70 kVp | 1.04 | 1.70 | 0.73 | 0.69 | |||||
| PSP in 60 kVp versus film in 70 kVp | 1.35 | 0.19 | 0.96 | 1.76 | |||||
| PSP in 70 kVp versus film in 70 kVp | 1.81 | 1.16 | 0.51 | 1.07 | |||||
| CCD in 60 kVp versus 70 kVp | 1.52 | 0.00 | 0.00 | 0.19 | |||||
| CCD in 60 kVp versus film 60 kVp | 1.06 | 0.92 | 0.48 | 2.70 | |||||
| CCD in 70 kVp versus film in 70 kVp | 1.61 | 0.00 | 0.75 | 2.56 | |||||
| CCD in 60 kVp versus PSP in 60 kVp | 1.79 | 0.72 | 1.57 | 0.96 | |||||
| CCD in 70 versus PSP in 70 kVp | 2.70 | 1.16 | 0.72 | 1.52 | |||||