Fig. 1From: Implantable device measured objective daily physical activity as a predictor of long-term all-cause mortality and cardiac death in patients with age > 75 years and high risk of sudden cardiac death: a cohort studyROC curve with a cut-off value of 6.47% for PA to predict all-cause mortality, P = 0.001. Abbreviations: ROC curve: receiver operating characteristic curve. PA, physical activityBack to article page