Fig. 4From: Effect of high-flow nasal therapy during early pulmonary rehabilitation in patients with severe AECOPD: a randomized controlled studyEffects of non-high-flow nasal therapy (HFNT) pulmonary rehabilitation (PR) vs. HFNT PR on hospital admissions during acute exacerbation (AE). a. Compared to the previous 1 year before and subsequent 1 year after the PR program in all patients. b. Individual changes of AE in both groups the previous year before and subsequent year after PRBack to article page