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SHapley Additive exPlanations summary plots for the Random Forest model in the internal (a) and external (b) validation cohorts. Plots show feature importance and direction of effect on model predictions, with red indicating higher feature values and blue indicating lower feature values. CAD, coronary artery disease; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; LVH, left ventricular hypertrophy; SBP, systolic blood pressure
