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- W2023603283 abstract "Coronary artery calcium identified by electron beam computed tomography (EBCT) has potential for noninvasive localization of coronary atherosclerotic disease. However, the effect of a patient's sex on its diagnostic capability has not been examined in a clinical population.Fifty women and 89 men had EBCT scans done an average of 1 day after coronary arteriography. Maximum arteriographic percent luminal diameter stenosis of any artery was paired with the total EBCT coronary calcium score for each subject. The women (age, 56 +/- 11 years [mean +/- SD]) were older than the men (age, 47 +/- 7 years), but the subjects were matched for indications for arteriography and extent of disease as assessed by arteriography. Sensitivity, specificity, and positive and negative predictive values for coronary calcium were nearly identical for men and women, regardless of the degree of arteriographic disease. EBCT was highly sensitive to the presence of arteriographic disease (range, 94% to 100%), but had only moderate specificity (57% to 66%) for significant disease (> or = 50% stenosis) and low specificity (35% to 38%) for any arteriographic disease (> 0% stenosis). Negative predictive values in men and women ranged from 79% to 91% for any arteriographic disease and from 95% to 100% for significant disease, respectively. Numerical calcium scores were significantly different between subjects with normal arteriograms and those with significant disease; however, calcium score had limited power to separate trivial, moderate, and significant disease. Receiver operating characteristic curve areas, determined as an extension of the analyses of sensitivity and specificity, were high for EBCT-defined calcium scores for both any arteriographic disease and significant arteriographic disease, and were not different between the sexes.In a middle-aged population, noninvasive definition of coronary calcium by EBCT has similar predictive value for arteriographic coronary artery disease in men and women." @default.
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- W2023603283 title "Coronary Calcium, as Determined by Electron Beam Computed Tomography, and Coronary Disease on Arteriogram" @default.
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- W2023603283 doi "https://doi.org/10.1161/01.cir.91.5.1363" @default.
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