Number of patients with available HRQoL data throughout follow-up. The centred percentages are percentage of baseline. Due to the study design of the DANISH trial with continuous inclusion the percentages do not represent percentages of the eligible patients (some patients only had a inclusion period of 2 years and could not experience visits >24 months). HRQoL, health related quality of life; ICD, implantable cardioverter defibrillator; mths, months.