[Retracted] A Retrospective Study of Diaphragmatic Breathing Training Combined with Discharge Care Bundles in Patients with Chronic Obstructive Pulmonary Disease

Figure 2

Comparison of the disease knowledge level and negative emotions between the two groups. (a) The disease-specific knowledge level of patients with COPD was assessed using the Bristol COPD Knowledge Questionnaire (BCKQ); (b)-(c): Hospital Anxiety and Depression Scale (HADS) was used to determine the negative emotion (anxiety and depression) in COPD patients.

(a)

(b)

(c)