Table 1.
—Baseline Characteristics of 136 Patients with COPD
| Mean | SD | |
| Age, y | 72.6 | 8.4 |
| FEV1, L | 1.16 | 0.46 |
| FEV1, % predicted | 53.9 | 18.7 |
| FVC, L | 2.53 | 0.86 |
| BMI, kg/m2 | 26.3 | 5.8 |
| Pack-years smoking | 51.1 | 38.6 |
| Spo2 on air, % | 95 | 2 |
| Median | IQR | |
| IP-10, pg/mL | 154.4 | 107.0-220.6 |
| CRP, mg/L (n = 77) | 4.0 | 2.0-7.0 |
| IL-6, pg/mL (n = 72) | 3.2 | 2.4-5.9 |
Subjects included 83 men (61.0%), 41 current smokers (30.1%). CRP = C-reactive protein; IL = interleukin; IP-10 = interferon-γ-inducible protein 10; IQR = interquartile range; Spo2 = oxygen saturation measured by pulse oximetry.