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DOI: 10.1148/radiol.2382042066
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Correlation of Radiologist Rank as a Measure of Skill in Screening and Diagnostic Interpretation of Mammograms1

Craig A. Beam, PhD, Emily F. Conant, MD and Edward A. Sickles, MD

1 From the Biostatistics Core, H. Lee Moffitt Cancer Center & Research Institute, Tampa, Fla. From the 2005 RSNA Annual Meeting. Received December 7, 2004; revision requested February 3, 2005; revision received March 31; accepted May 2; final version accepted July 11. Address correspondence to C.A.B., Division of Epidemiology and Statistics, University of Illinois at Chicago, School of Public Health, 1603 W Taylor St, Chicago, IL 60612-4394 (e-mail: cbeam{at}uic.edu).


Figure 1
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  		Figure 1a: Scatterplots show relationship between diagnostic and screening performance test measurements. Each dot represents a radiologist. The diagonal line represents equal diagnostic and screening measurements. (a) Performance test sensitivity. (b) Performance test specificity. (c) Relationship between diagnostic and screening performance test ROC curve area.

 

Figure 1
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  		Figure 1b: Scatterplots show relationship between diagnostic and screening performance test measurements. Each dot represents a radiologist. The diagonal line represents equal diagnostic and screening measurements. (a) Performance test sensitivity. (b) Performance test specificity. (c) Relationship between diagnostic and screening performance test ROC curve area.

 

Figure 1
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  		Figure 1c: Scatterplots show relationship between diagnostic and screening performance test measurements. Each dot represents a radiologist. The diagonal line represents equal diagnostic and screening measurements. (a) Performance test sensitivity. (b) Performance test specificity. (c) Relationship between diagnostic and screening performance test ROC curve area.

 

Figure 2
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  		Figure 2: Scatterplot shows relationship between radiologist ranking in the diagnostic and screening ROC curve areas. Each dot represents a radiologist. The radiologist with the largest area has a rank of 59. The radiologist with the smallest area has a rank of 1. The diagonal line represents equal ranking in both diagnostic and screening ROC curve areas. Dashed lines demarcate the median rank (ie, the rank of 30).

 




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