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. 2013 Apr 12;21(7-8):347–353. doi: 10.1007/s12471-013-0409-8

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© The Author(s) 2013

Open Access This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.

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Fig. 1 — Receiver-operator characteristics curve analysis of patients with moderate chronic kidney disease (CKD) (Panel a) and without significant CKD (Panel b). The optimal cut-off value of the coronary calcium score (CCS) to diagnose obstructive coronary artery disease (CAD) in patients with moderate CKD is 140 (sensitivity 73 % and specificity 70 %). The optimal cut-off value of CCS to diagnose obstructive CAD in patients without significant CKD is 50 (sensitivity 75 % and specificity 75 %)