“…All studies reported PA level, either expressed as time in PA, exercise frequency, score on a PA scale or expended energy. In addition, eight studies described the proportion of individuals meeting national or international PA recommendations, (24,26,28,29,31,34,36,37) while six studies also reported on the time spent sedentary. (26,29,31,33,34,37) In nine of the 18 (50%) studies, there were no statistically significant differences in PA level between children with CHD and age-matched healthy peers.…”