Fig. 3From: Heterogeneity of cough hypersensitivity mediated by TRPV1 and TRPA1 in patients with chronic refractory coughIndividual AITC and capsaicin cough sensitivity measured as C2 or C5. AITC (Panels a), capsaicin (Panels b). C2: the lowest concentrations of AITC or capsaicin which evoked two to four coughs; C5: the lowest concentrations of AITC or capsaicin which evoked five coughs or more. Horizontal lines and error bars represent mean values and 95% confidence intervals of log C2 or log C5Back to article page