Variables associated with whole lung pulmonary 18F-fluorodeoxyglucose uptake in participants with COPD assessed by regression analysis
| Variable (x) | Standardised beta coefficient | Coefficient standard error | Significance |
| Fibrinogen g·L−1 | 0.30 | 0.01 | 0.02 |
| Current smoking (yes/no) | 0.20 | 0.00 | 0.07 |
| FEV1 % predicted | −0.12 | 0.00 | 0.37 |
| Neutrophils ×109·L−1 | 0.10 | 0.00 | 0.41 |
| Log10hsCRP mg·L−1 | 0.02 | 0.00 | 0.90 |
Dependent variable=whole lung 18F-fluorodeoxyglucose uptake (nKi, units mL·cm−3·min−1). Multivariable model, R=0.48, R2=0.23, adjusted R2=0.17. hsCRP: high sensitivity C-reactive protein, FEV1: forced expiratory volume in 1 s.