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Progression from uncomplicated rheumatic heart disease to the composite of death, heart failure, surgical intervention, atrial fibrillation, infective endocarditis or stroke (primary outcome, blue), or death (secondary outcomes, red) over 8-year follow-up. Kaplan–Meier curves are presented for the whole study cohort (‘All’) and separately for Indigenous, ILIC, and other Australian population groups. Shading indicates 95% confidence intervals.
