1. Change from baseline in the severity of morning cough and severity of difficulty bringing up phlegm in the morning over the study period in the active-comparator study.
Change from baseline in the severity of morning cough and severity of difficulty bringing up phlegm in the morning over the study period in the active-comparator study. Data are reported as LS mean+SE. Assessed on a 5-point scale: 0=‘no symptoms’ to 4=‘very severe symptoms’. *p<0.05, **p<0.01 vs placebo. LS, least squares.
Lorcan McGarvey et al. BMJ Open Resp Res 2016;3:e000148
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