Table 2

 Intra and intergroup comparison of the cough severity scores*

Lidocaine group (n = 62)Bronchodilator group (n = 65)p value
*The score of cough severity (fig 1) ranged from 1 (no cough) to 10 points (most severe cough) and are given as median (25th–75th interquartile range) and compared using Wilcoxon’s matched pairs test (between dependent groups) or the Mann–Whitney U test (between independent groups).
Score before treatment8 (7–9)8 (7–8)0.21
Score after treatment3 (2–3)3 (2–5)0.44
p value<0.01<0.01