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Table 2 Area under the receiver operating characteristic curve values obtained from MRMCROC method for three radiologists in predicting lung nodule calcification on conventional gray scale radiography (GSR) and dual-energy radiography with color-representation (DCR)

From: Color radiography in lung nodule detection and characterization: comparison with conventional gray scale radiography

Observer Gray scale radiography Dual-energy radiography with color-representation
1 0.871 0.949
2 0.739 0.957
3 0.874 0.926
Average 0.828 0.944
  1. The difference in area under the receiver operating characteristic curve values between GSR and DCR imaging was statistically significant (p = 0.044)
  2. MRMCROC multi-reader, multi-case receiver operating characteristic