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Table 2 Outcome measures

From: Health-related quality of life and physical activity in children with inherited cardiac arrhythmia or inherited cardiomyopathy: the prospective multicentre controlled QUALIMYORYTHM study rationale, design and methods

Primary outcome
 Health-related quality of life score: PedsQL self-questionnaire (versions 5–7 years and 8–12 years for children and version 13–17 years for adolescents)
Secondary outcomes
 Level of physical activity assessed by:
  The metabolic equivalent of task (MET) assessed by the ActiGraph GT3X accelerometer
  The Ricci and Gagnon physical activity questionnaire
  The EMAPS motivation questionnaire
 CPET variables:
  VO2max (maximum oxygen uptake)
  VAT (ventilatory anaerobic threshold)
  VE/VCO2 slope (ventilarory efficiency)
  OUES (oxygen uptake efficiency slope)
  Maximum oxygen pulse (VO2max/maximum heart rate)
 Health-related quality of life score: PedsQL proxy questionnaire (versions 5–7 years and 8–12 years for children and version 13–17 years for adolescents)