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—Baseline Characteristics of 70 Control Subjects
| Mean | SD | |
| Age, y | 67.4 | 8.7 |
| FEV1, L | 2.63 | 0.80 |
| FEV1, % predicted | 112.1 | 28.3 |
| FVC, L | 3.43 | 1.08 |
| BMI, kg/m2 | 26.0 | 5.1 |
| Pack-years smoking | 18.4 | 20.9 |
| Spo2 on air, % | 96 | 1 |
| Median | IQR | |
| IP-10, pg/mL | 115.5 | 81.2- 181.6 |
| CRP, mg/L (n = 23) | 2.0 | 1.0- 3.3 |
| IL-6, pg/mL (n = 45) | 3.3 | 2.0- 5.4 |
Subjects included 28 men (40.0%), 12 current smokers (17.1%). See Table 1 for expansion of abbreviations.
