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Table 5 Proportion (%) of COPD patients in the Medicare and Commercial Cohorts Using ≥1 healthcare services, and mean number of each form of health service utilized per COPD patient, stratified by complexity of illness

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

  Commercial dataset Medicare dataset
Service, % (mean per patient) Low complexity Moderate complexity High complexity Low complexity Moderate complexity High complexity
  (n = 19,154; 45.0%) (n = 14,290; 33.6%) (n = 9,121; 21.4%) (n = 3,110; 36.6%) (n = 3,047; 35.8%) (n = 2,350; 27.6%)
Office consultation/visit 98.9 98.6 98.6 97.3 95.4 96.4
Mean per patient 9.41 11.52 15.06 10.3 10.9 13.9
Standard chest X-ray 62.7 77.5 88.0 63.1 74.5 90.9
Mean per patient 1.25 2.45 6.37 1.3 2.4 6.3
Electrocardiogram 50.6 56.5 71.0 60.7 66.3 83.1
Mean per patient 1.14 1.57 2.63 1.6 2.2 3.9
Pulmonary function 34.3 40.4 51.4 26.7 32.8 42.5
Mean per patient 1.02 1.47 2.33 0.9 1.3 1.9
Respiratory-related equipment/supplies 5.41 36.0 53.3 8.52 50.4 52.5
Mean per patient 0.27 4.63 8.63 0.9 9.5 10.8
Heart echo exam 18.4 25.5 41.9 29.4 37.6 57.7
Mean per patient 0.68 1.06 2.00 1.1 1.5 2.8
Chest/thorax CT/MRI 11.4 24.5 47.8 12.5 23.6 49.1
Mean per patient 0.19 0.42 1.14 0.2 0.4 1.0
Cardiovascular stress test 18.7 18.6 21.3 18.7 17.8 21.9
Mean per patient 0.32 0.32 0.38 0.3 0.3 0.4
Outpatient respiratory therapy services 10.3 25.7 27.1 4.95 20.6 20.7
Mean per patient 0.16 0.69 1.00 0.1 1.3 1.4
Cardiac catheterization/coronary angiography 7.48 8.92 13.8 5.05 7.68 12.4
Mean per patient 0.51 0.61 0.94 0.3 0.5 0.8
Sleep studies 1.72 4.43 14.7 0.35 1.51 4.68
Mean per patient 0.03 0.08 0.31 0 0 0.1
Bronchoscopy 0.32 2.88 13.2 0.16 2.0 10.1
Mean per patient 0 0.07 0.35 0 0 0.2