Table 2

Radiological airway characteristics

NormalAsthmap Value
Total number of airways9080
Number of airway pairs2824
Mean Aimean (mm2) (±95% CI)12.3±2.27.5±1.4<0.001
Range of Aimean (mm2)1.3–52.20.8–33.8
Percentage change Aimean (mean±95% CI)−24.6±4.2−24.2±7.40.6
Absolute change Aimean (mm2)
Median (IQR)
−2.23 (0.9–3.5)−0.6 (0.1–1.4)<0.001