Figure 2From: Low-dose CT measurements of airway dimensions and emphysema associated with airflow limitation in heavy smokers: a cross sectional studyComparison of airway wall thickness on high- and low-dose CT.AWT3.5 was measured on high and low-dose CT of 8NELSON subjects. Bland & Altman plot shows agreement betweenmean AWT3.5 determined by high- and low-dose CT. Dashedlines depict the 95% confidence interval.Back to article page