Research Article

Effect Analysis of Lung Rehabilitation Training in 5A Nursing Mode for Elderly Patients with COPD Based on X-Ray

Figure 9

Comparison of mean values of small airway parameters between the two groups before and after intervention. (a) The comparison of FEV1; (b) the comparison of FVC; (c) the comparison of FEV1/FVC.
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(b)
(c)