Fig. 4From: 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 studyKaplan-Meier curves for cardiac death in patients over 75 years with ICDs/CRTDs (Log rank P = 0.0067). Abbreviations: CRT-D, cardiac resynchronization therapy defibrillator; ICD, implantable cardioverter-defibrillatorBack to article page