Fig. 4From: Cough desensitization treatment for patients with refractory chronic cough: results of a second pilot randomized control trialMean change in urge-to-cough (UTC) at baseline and 1-week post-treatment (PT1) during cough challenge testing. Only concentrations 0.49 µM to 7.81 µM are shown because the majority of participants received each of these concentrations at both baseline and PT1.Back to article page