Prevalence of categorical respiratory outcomesa in the physical activity and health education intervention groups across 30 months of follow-up
FEV1, Forced expiratory volume in 1 second; HE, health education; MIP, maximal inspiratory pressure; LLN, lower limit of normal; PA, physical activity.
aModerate-to-severe dyspnea (Borg index>2), low breathing capacity (FEV1<LLN), and respiratory muscle weakness (MIP<LLN).