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Baseline characteristics of subjects.
| Group | n | Age (years) | BMI (kg/m2) | |
|---|---|---|---|---|
| Control subjects | UW | 5 | 73.8 ± 11.9 | 19.2 ± 0.9 |
| NW | 14 | 72.6 ± 10.4 | 22.0 ± 1.1 | |
| OW | 3 | 74.0 ± 8.7 | 28.5 ± 2.4 | |
|
| ||||
| COPD | UW | 10 | 76.2 ± 5.0 | 18.3 ± 1.2 |
| NW | 23 | 73.2 ± 10.4 | 21.7 ± 1.4 | |
| OW | 7 | 74.7 ± 7.0 | 26.2 ± 0.9 | |
