Fig. 3From: Gender modifies the effect of body mass index on lung function decline in mild-to-moderate COPD patients: a pooled analysisDiagrammatic representation of the dose–response curves of the effect of baseline BMI values on the rate of FEV1 decline in absolute values (mL/year), stratified across GOLD grades, gender, and smoking status. Upper left panel, male patients within GOLD Grade 1, upper right panel, female patients within GOLD Grade 1, lower left panel, male patients within GOLD Grade 2, lower right panel, female patients within GOLD Grade 2. The blue line is averaged estimates of ex-smokers, the red line is averaged estimates of smokers, the shaded area denotes 95% credible intervalBack to article page