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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: J Am Geriatr Soc. 2016 Mar;64(3):501–509. doi: 10.1111/jgs.14013

Figure 1.

Figure 1

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).