Fig. 4From: Associations of AMP and adenosine induced dyspnea sensation to large and small airways dysfunction in asthmaAMP: Spearman’s correlations to change in Borg dyspnea sensation (ΔBorg). a. the change in forced expiratory volume in 1 s (ΔFEV1), b. the change in the difference in resistance of the respiratory system to 5 Hz and 20 Hz (ΔR5-R20), c. the change in reactance of the respiratory system to 5 Hz (ΔX5), and d. the change in reactance area (ΔAX)Back to article page