Table 3:

Comparison of diagnostic value of conventional and digital radiography for detection of cavitated and non-cavitated lesions according to kVp (%)

Receptor	Diagnostic value (%)
	Non-cavitated lesions					Cavitated lesions
	Sensitivity	Specificity	Positive predictive value	Negative predictive value	Accuracy	Sensitivity
Film in 60 kVp	71.9	93.6	88.46	81.01	84.81	85.7
Film in 70 kVp	56.3	93.6	85.71	75.86	78.48	81.0
PSP in 60 kVp	84.4	72.3	67.5	87.17	77.21	85.7
PSP in 70 kVp	81.3	72.3	66.6	85	75.94	85.7
CCD in 60 kVp	62.5	59.6	51.28	70	60.75	85.7
CCD in 70 kVp	56.3	72.3	58.06	70.83	65.82	81.0