TABLE 2.

The information content and PRDU (%) of each diagnostic method for the second examiner

	Second examiner
Diagnostic methods	First evaluation		Second evaluation
	Information content (in bits)	PRDU (%)	Information content (in bits)	PRDU (%)
Visual Inspection	0.589*	39.3	0.544*	36.3
Radiographic method	0.730*	48.8	0.788*	52.6
LF device	0.844*	56.3	0.793*	53.0
M-CT examination	1.105*	73.8	1.061*	70.8

^*p<0.005

PRDU: proportional reduction in diagnostic uncertainty; LF: laser fluorescence; M-CT: micro-computed tomography