“…In children and adolescents, Donadio et al found an association between the physical domain of the CFQ-R and the 6MWT. 21 In our study, maybe because of the small sample size, there was no association between the CFQ scores and the 6MWT. Therefore, our results suggest that the pulmonary function may reflect the overall disease severity better than the functional capacity, and that the exercise performance is not necessarily the foremost factor influencing the quality of life in such subjects.…”