The average distal curvature (495&_mathId=si1.gif&_user=111111111&_pii=S1746809416301495&_rdoc=1&_issn=17468094&md5=95b4ce1ab2868e37c663a63a8bde3c50">495-si1.gif">) of 48 LAD arteries is quantified from CCTA images.
Low values of 495&_mathId=si1.gif&_user=111111111&_pii=S1746809416301495&_rdoc=1&_issn=17468094&md5=95b4ce1ab2868e37c663a63a8bde3c50">495-si1.gif"> in the LAD are strongly correlated with the presence of stenosis.
Classification of arterial health status using Kd is faceable.
Using a cut-off value of 495&_mathId=si1.gif&_user=111111111&_pii=S1746809416301495&_rdoc=1&_issn=17468094&md5=95b4ce1ab2868e37c663a63a8bde3c50">495-si1.gif"> = 0.0537 mm−1 yields accuracy and AUC of 75%.
The 495&_mathId=si1.gif&_user=111111111&_pii=S1746809416301495&_rdoc=1&_issn=17468094&md5=95b4ce1ab2868e37c663a63a8bde3c50">495-si1.gif"> could be an indication of a geometric risk factor for CAD.