Yu Htwe1, Matthew D Cham2, Claudia I Henschke1, Harvey Hecht3, Joseph Shemesh4, Mingzhu Liang5, Wei Tang6, Artit Jirapatnakul1, Rowena Yip1, David F Yankelevitz7. 1. Department of Radiology, Mount Sinai School of Medicine, New York, NY. 2. Department of Radiology, Mount Sinai School of Medicine, New York, NY; Division of Cardiology, Mount Sinai School of Medicine, New York, NY. 3. Division of Cardiology, Mount Sinai School of Medicine, New York, NY. 4. Department of Cardiology, The Grace Ballas Cardiac Research Unit Sheba Medical Center, Tel Hashomer, Tel-Aviv University Sackler Faculty of Medicine, Tel-Aviv, Israel. 5. Department of Radiology, Mount Sinai School of Medicine, New York, NY; Department of Radiology, Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China. 6. Department of Radiology, Mount Sinai School of Medicine, New York, NY; Department of Diagnostic Radiology, Cancer Hospital Chinese Academy of Medical Sciences and National Cancer Center of China, Beijing, China. 7. Department of Radiology, Mount Sinai School of Medicine, New York, NY. Electronic address: David.Yankelevitz@mountsinai.org.
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.
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.
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