Variables associated with whole lung pulmonary 18F-fluorodeoxyglucose uptake in participants with COPD assessed by regression analysis

Variable (x)Standardised beta coefficientCoefficient standard errorSignificance
Fibrinogen g·L−10.300.010.02
Current smoking (yes/no)
FEV1 % predicted−
Neutrophils ×109·L−
Log10hsCRP mg·L−

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.