Table 2.
Baseline Characteristics of Subjects
| Parameter | Value |
|---|---|
| Age, years, mean (SD) | 73.8 (9.3) |
| Females, n (%) | 72 (57.1%) |
| Body mass index, kg/m2, mean (SD) | 28.2 (7.5) |
| FEV1 (within 5y), % predicted (post-bronchodilator when available), mean (SD) | 59.5 (21.3)a |
| Supplemental oxygen use, n (%) | 59 (46.8%) |
| Active smoker, n (%) | 27 (21.4%) |
| Depression, n (%) | 35 (28.0%) |
| African American, n (%) | 28 (23.7%)b |
| Comorbidities: | |
| Atrial fibrillation, n (%) | 22 (17.5%) |
| Congestive heart failure, n (%) | 24 (19.0%) |
| Hypertension, n (%) | 85 (67.5%) |
| Diabetes, n (%) | 43 (34.1%) |
| Sleep apnea, n (%) | 51 (40.5%) |
| Stroke or cerebrovascular accident, n (%) | 15 (11.9%) |
| Interstitial Lung Disease (ILD), n (%) | 2 (1.6%) |
| History of any cancer, n (%) | 36 (28.6%) |
| Thyroid disease, n (%) | 21 (16.7%) |
| Coronary artery disease, n (%) | 27 (21.4%) |
Notes: aN=109. bN=118.