Additional file 1 of Clinical characteristics and drug utilisation patterns in patients with chronic cough: a retrospective cohort study using a Japanese claims database

Additional file 1. Table 1. ICD-10 codes used for identification of cough-related diseases and exclusion criteria. Table 2. ATC Medication codes used to identify treatments for cough or for cough-related diseases. Table 3. Medication use during the post-index period by subgroup and by month