Fig. 2

Subjective asthma symptoms changes from baseline to post-exercise in temperatures of 0, 10, and 20 \(^{\circ }\)C within the asthma group (22 participants out of 23). Demonstrated p values in the figure show the post-hoc analysis which is either Tukey HSD tests or pairwise signed-ranks tests. *Represents \(0.01< p < 0.05\), **\(0.0001< p < 0.01\), and ***\(p < 0.0001\) for comparison between arms