Table 1.
Summary of categorical demographic and clinical characteristics
| 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%) |
(Percentage is the proportion of patients with identified clinical characteristics) COPD-chronic obstructive pulmonary disease.