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Figure 1 Diagnostic yield of calcium screening in symptomatic men. The lower scores define the calcium score thresholds for the 95% of patients without significant stenoses. The higher scores give the calcium score thresholds for the 90% of patients with significant stenoses. Within the central area, the diagnosis is uncertain. The numbers in parentheses give the number of patients within the area. For example, a man at the age of 50 years is probably free of coronary stenosis if his score is <56. At score values >217, he bears a high risk of stenosis.
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