Summary ROC Plot of CTP and CTA for detecting ischemic stroke.

Abstract

<p>Each ellipse on the plot represents the study estimate of CTP. Each diamond represents the study estimate of CTA. Red and black solid circles represent the summary sensitivity and specificity for CTA and CTP respectively, and these summary points are surrounded by a 95% confidence region (dotted line). Red and black solid lines represent HSROC curve of CTA and CTP respectively.</p