Hermans, J.J.

score calcium fication calci calcium score 5.0 difference aortic contrast enhancement aorta study contrast series artery patient slice 2.0 1.0 b &a plot setting kernel enhancement aortic calci fication calcium scores slice thickness atherosclerosi reference signi analysis image thickness calci fications x-ray quanti aorta-iliac trajectory calcium loads value effect comparison ficant correlation contrast-enhanced series signi ficant difference inter-observer variability kernel b 10f calci fication calcium quanti fication convolution kernel 5 mm slices variability increase threshold curve unenhanced bifurcation ct data method contrast-enhanced contrast agent rotterdam quanti fication retrospective study inter-observer 10 130 2 mm slices result limit framingham heart study quanti fication methods signi ficant correlation atherosclerotic calci fications convolution agreement trend disease erasmus mc non-contrast-enhanced series .400 aorta-iliac ct scans