Hierarchical summary receiver-operating characteristic (HSROC) curve for the diagnostic performance of i-Scan.

Abstract

<p>The size of the blue circles indicates the number of polyps in the individual studies. The summary sensitivity and specificity is shown with a dark red square and the 95% confidence region is plotted in short lines. The area under the HSROC curve (AUC) was 0.96 (95%CI 0.94–0.97).</p