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Table 6 C-statistics evaluating the predictive performance of GrimAA on incident CVD in GENOA African Americans

From: Epigenetic age acceleration is associated with cardiometabolic risk factors and clinical cardiovascular disease risk scores in African Americans

Model

C-statistic

95% CI

N = 945

Base model (age + sex)

0.595

0.525–0.664

Age + sex + GrimAA

0.643

0.576–0.709

Age + sex + FRS

0.687

0.624–0.749

Age + sex + FRS + GrimAA

0.698

0.637–0.759

N = 988

Base model (age + sex)

0.588

0.521–0.656

Age + sex + GrimAA

0.636

0.571–0.701

Age + sex + ASCVD

0.670

0.606–0.728

Age + sex + ASCVD + GrimAA

0.685

0.625–0.746

  1. The C statistics associated with a set of nested models for time to CVD events are shown. All models are adjusted for familial relatedness
  2. Cardiovascular disease (CVD) was defined as self-reported myocardial infarction, coronary artery revascularization, cerebrovascular events, or surgical carotid artery revascularization
  3. CVD, cardiovascular disease; FRS, Framingham risk score; ASCVD, atherosclerotic cardiovascular disease