Coronary artery calcification on low-dose computed tomography: Comparison of Agatston and Ordinal Scores

Yu Htwe, Matthew D. Cham, Claudia I. Henschke, Harvey Hecht, Joseph Shemesh, Mingzhu Liang, Wei Tang, Artit Jirapatnakul, Rowena Yip, David F. Yankelevitz

Research output: Contribution to journalArticlepeer-review

57 Scopus citations

Abstract

Objective: To compare Agatston with Ordinal Scores for the extent of coronary artery calcification (coronary artery calcium) using nongated low-dose computed tomography (CT) scans. Materials and Methods: A total of 631 asymptomatic participants had CT scans from 2010 to 2013. Their Ordinal and Agatston Score were classified into categories. Results: The Ordinal Score Categories showed excellent agreement (weighted kappa of 0.83; 95% confidence interval: 0.79-0.88) with the Agatston Score Categories. Conclusions: The use of the Ordinal Score is readily obtained on low-dose CT scans that are used for CT screening for lung cancer and these scores are useful for risk stratification of coronary artery disease.

Original languageEnglish
Pages (from-to)799-802
Number of pages4
JournalClinical Imaging
Volume39
Issue number5
DOIs
StatePublished - 1 Sep 2015

Keywords

  • CT screening for lung cancer
  • Coronary artery calcification
  • Nongated low-dose CT scans
  • The Agatston Score
  • The Ordinal Score

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