Research Article

Hospitalization Trends in Adult Patients with COPD and Other Respiratory Diseases in Northeast China from 2005 to 2015

Figure 4

Hospitalization charge for patients aged ≥18 years with COPD, pneumonia, asthma, and lung cancer, in Dalian city, from 2005 to 2015. (a) Mean charge per stay. (b) Aggregate charge.
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