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Volume 10, Number 1, January 2004 Evaluating Detection and Diagnostic Decision Support Systems for Bioterrorism ResponseDena M. Bravata,*† Vandana Sundaram,*†‡ Kathryn M. McDonald,*† Wendy
M. Smith,*† Herbert Szeto,*†§ Mark D. Schleinitz,¶# and Douglas K. Owens*†‡ |
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Figure 2. Receiver-operating characteristic curves (ROC). Each point along a ROC represents the trade-off in sensitivity and specificity, depending on the threshold for an abnormal test. Here, two hypothetical diagnostic tests are compared. The diagnostic test represented by the unbroken ROC curve is a better test than that represented by the broken ROC curve, as demonstrated by its greater sensitivity for any given specificity (and thus, greater area under the curve). |
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This page last reviewed December 12, 2003 |
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