“…8Y10 In addition, a considerable number of those patients who actually attend CR drop out prematurely varying from 22% to 65%. 11,12 This may be partly due to personal (perception of self-control of the problem, illness cognition, socioeconomic status) or financial reasons, 9,11,13,14 but also physical and psychological health problems may play a key role. 9,12 The majority of these studies 11,12,14 have often focused on a particular subgroup of cardiac patients who may not always be representative for the total CR population.…”