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Table 1 Summary of categorical demographic and clinical characteristics

From: Disproportionate utilization of healthcare resources among veterans with COPD: a retrospective analysis of factors associated with COPD healthcare cost

Variable (Missing n) n (%)
Gender  
  Male 816 (97%)
  Female 24 (3%)
Marital Status  
  Single 45 (5%)
  Married 400 (48%)
  Divorced 272 (32%)
  Separated 31 (4%)
  Widowed 92 (11%)
Race (41)  
  White 696 (87%)
  African American 103 (13%)
Smoking (265)  
  Never 36 (6%)
  Past 260 (45%)
  Current 279 (49%)
Comorbidities  
  Coronary Artery Disease 240 (29%)
  Depression 204 (24%)
  Diabetes Mellitus 181 (22%)
  Heart Failure 45 (5%)
  Hypertension 527 (63%)
Vaccination  
  Influenza 620 (74%)
  Pneumococcal 722 (86%)
Medications  
  Long acting beta agonist 271 (32%)
  Short acting anti-muscarinic 473 (56%)
  Long acting anti-muscarinic 124 (15%)
  Inhaled corticosteroid 226 (40%)
  Oral corticosteroid 39 (5%)
  Supplemental oxygen 196 (23%)
  Theophylline 38 (4%)
  Statin 467 (56)
Illicit drug use (303) 91 (17%)
Nursing home resident 36 (4%)
Treated by a pulmonologist 216 (26%)
COPD for > 5 years 260 (31%)
  1. (Percentage is the proportion of patients with identified clinical characteristics) COPD-chronic obstructive pulmonary disease.