Figure 4.

Adjusted Cox proportional relative hazard ratio and competing sudden cardiac death risk relative sub–hazard risk ratio with 95% CI for black compared with white participants, with hazard ratio/sub–hazard ratio for white participants equal 1.0. Models 1 (green diamond) and models 2 (orange triangle) for the QRS‐T angle and spatial ventricular gradient (SVG) magnitude are shown. Black lines correspond to 95% CI bounds. Model 1 was adjusted for age, sex, study center, prevalent heart failure (HF), coronary heart disease (CHD), stroke, diabetes mellitus, hypertension, levels of total cholesterol, high‐density lipoprotein, and triglycerides, body mass index, use of antihypertensive and antiarrhythmic medications, serum concentrations of sodium, potassium, calcium, magnesium, phosphorus, and uric acid, total protein and albumin, blood urea nitrogen, chronic kidney disease stage classified by estimated glomerular filtration rate (calculated using the Chronic Kidney Disease–Epidemiology Collaboration equation), smoking and alcohol intake, work, sport, and leisure physical activity levels, education level, occupation category, income, and health insurance. Time‐updated model 2 included time‐updated ECG predictors (one by one), all baseline covariates included in model 1, and time‐updated incident nonfatal atrial fibrillation, HF, CHD, and stroke.