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

Table 7 Prescription of central antitussives alone during the post-index period

Population	Population ‘All’	Population 1	Population 2	Other coughs	Cough-variant asthma	Atopic/allergic cough
Number of participants	N = 6,038	N = 3,500	N = 2,538	N = 1,444	N = 1,026	N = 105
Index month	n = 4,860 194 (4.0%)	n = 3,115 169 (5.4%)	n = 1,745 25 (1.4%)	n = 997 21 (2.1%)	n = 722 4 (0.6%)	N = 76 0
M3	n = 1 693 19 (1.1%)	n = 827 10 (1.2%)	n = 866 9 (1.0%)	n = 499 7 (1.4%)	n = 339 2 (0.6%)	n = 38 0
M6	n = 1 491 22 (1.5%)	n = 695 16 (2.3%)	n = 796 6 (0.8%)	n = 458 4 (0.9%)	n = 316 1 (0.3%)	n = 37 1 (2.7%)
M9	n = 1 392 21 (1.5%)	n = 666 13 (2.0%)	n = 726 8 (1.1%)	n = 409 5 (1.2%)	n = 295 3 (1.0%)	n = 31 0
M12	n = 1 317 14 (1.1%)	n = 628 7 (1.1%)	n = 689 7 (1.0%)	n = 394 1 (0.3%)	n = 281 6 (2.1%)	n = 32 0

N represents the total number of participants enrolled in each group; n represents the number of participants with at least one prescription claim for a medication of interest in each month. The latter number was used as the denominator for the calculation of the percentages

ISSN: 1471-2466