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Table 3 Prevalence (%) of comorbid conditions in COPD patients from commercial and Medicare data sets*

From: Identifying and characterizing COPD patients in US managed care. A retrospective, cross-sectional analysis of administrative claims data

  Commercial dataset
(n = 42,565)
Medicare dataset
(n = 8,507)
Respiratory, %   
   Asthma 27.1 21.3
   Sinusitis 21.2 8.4
   Current tobacco use 19.0 7.5
   Pneumonia 18.8 26.3
   Allergic rhinitis 12.9 6.8
   Sleep apnea 12.5 5.9
   Respiratory failure 8.0 13.0
   Pleurisy/pleural effusion 7.5 11.6
   Pulmonary edema 5.7 11.2
   Pulmonary heart disease 4.2 7.0
   Respiratory tract cancer 4.2 7.1
Non-respiratory, %   
   Hypertension 55.2 71.6
   Dyslipidemia 48.2 47.3
   Ischemic heart disease/angina 26.5 44.7
   Diabetes 21.9 28.8
   Heart rhythm conduction disturbance 20.4 38.9
   Depression 14.5 9.4
   Heart failure 14.4 33.8
   Kidney disease/abnormal kidney function 11.5 21.9
   Obesity 8.2 4.8
   Cerebrovascular disease 9.2 20.5
   Osteoporosis/decreased bone density 5.7 11.7
   Myocardial Infarction (new or history) 4.1 7.1
  1. *All of the differences comparing prevalence of comorbid conditions between commercial and Medicare populations were significant (p < 0.01), using two-tailed, chi-squared analysis, except for those indicated by italic text.