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Figure 3 Receiver-Operating Characteristic Curves Noting the Incremental Value of the Total Agatston Scores Over and Above the Total Number of Clinical Risk Factors as Well as Age

These curves note the available data revealing the highest area under the curve for clinical risk factors. In both cases, the addition of the Agatston score resulted in a significant improvement in the area under the curve (p < 0.0001 for the total number of risk factors [A] and for age [B]). Receiver-operating characteristic analysis for other individual risk factors were <0.586 for gender, 0.440 for family history, 0.573 for smoking, 0.577 for diabetes, 0.518 for ethnicity, 0.484 for hyperlipidemia, and 0.562 for hypertension.