Figure 2From: Azithromycin and cough-specific health status in patients with chronic obstructive pulmonary disease and chronic cough: a randomised controlled trialChange over time in LCQ total score. Repeated measures of the Leicester Cough Questionnaire (LCQ) total scores at 0, 2, 6, 9, 12 and 18 weeks between the azithromycin (n = 38) and placebo (n = 39) group. Error bars indicate 95% confidence intervals.Back to article page