Figure 2

The cough sensitivity to hypertonic saline during treatment with inhaled budesonide among cough patients who either did or did not show a symptomatic response to the treatment. The response was defined at each time point as a more than 1.3 points’ increase from baseline in Leicester Cough Questionnaire total score. CDR = coughs-to-dose ratio. *** p < 0.001, Mann–Whitney U test.