title: 23% of COPD patients say the disease makes them an invalid.
mesh_terms: D017281:Cost of Illness; D019468:Disease Management; D005102:Health Expenditures; D006306:Health Surveys; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000150:complications* / Q000191:economics / Q000453:epidemiology; D011788:Quality of Life; D012131:Respiratory Insufficiency / Q000209:etiology*; D014481:United States / Q000453:epidemiology