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Cumulative incidence curves of the risk of sudden cardiac death according to ICD treatment and the presence of coronary atherosclerosis. The presence of coronary atherosclerosis was not associated with the risk of cardiovascular death hazard ratio 0.71 (95% confidence interval, 0.37–1.35); P = 0.29. ICD, implantable cardioverter defibrillators; SCD, sudden cardiac death.
