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Table 1 Figure-of-merit values obtained from the JAFROC analysis for three radiologists in detecting lung nodules 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

0.811

0.869

2

0.800

0.757

3

0.821

0.794

Average

0.811

0.807

  1. The difference in figure-of-merit values between GSR and DCR imaging was not statistically significant (p = 0.928)
  2. JAFROC jackknife alternative free-response receiver operating characteristic
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BMC Medical Imaging

ISSN: 1471-2342

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