JAMA CardiolChan et al.cohort
Adding noncontrast CT FAI score to CAC improves CV mortality discrimination from AUC 0.76 to ~0.80.
A novel AI-derived fat attenuation index score from noncontrast cardiac CT provides prognostic performance comparable to CCTA FAI score and significantly improves cardiovascular risk prediction and reclassification beyond the Agatston CAC score, particularly in individuals with a CAC score of 0.
