Table 1.
Baseline patient characteristics
| Subjects (n=86) | |
|---|---|
| Age (years) | 65.5±11.3 |
| Sex (male/female) | 79/7 |
| Smoking habit (pack/year) | 70.4±43.4 |
| BMI | 21.6±2.6 |
| FEV1 (L) | 2.2±1.0 |
| FVC (L) | 3.5±0.9 |
| FEV1 % (%) | 60.7±17.1 |
| FEV1 % predicted (%) | 75.0±26.0 |
| % DLco/VA (%) | 69.6±22.1 |
| Diagnosis (COPD/at risk) | 54/32 |
| PaO2 (Torr) | 82.2±13.4 |
| WBC (109/L) | 6.2±2.0 |
| Neutrophils (109/L) | 3.8±1.9 |
| Hemoglobin (g/dL) | 14.1±1.5 |
| Creatinine (mg/dL) | 0.75±0.13 |
| BNP (pg/mL) | 25.5±32.9 |
| hs-CRP (mg/dL) | 0.182±0.343 |
| hs-cTnT (ng/mL) | 0.008±0.005 |
Abbreviations: BMI, body mass index; FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity; DLco/VA, diffusing capacity of the lung for carbon monoxide/alveolar volume; COPD, chronic obstructive pulmonary disease; PaO2, partial pressure of oxygen; WBC, white blood cells; BNP, brain natriuretic peptide; hs-CRP, high sensitivity C-reactive protein; hs-cTnT, high sensitivity cardiac troponin T.