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Table 4 Cough diagnoses documented at Months 10 to 12

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

Population/subgroup

Population ‘All’

Population 1

Population 2

Other coughs

Cough-variant asthma

Atopic/allergic cough

Participants enrolled

N = 6,038

N = 3,500

N = 2,538

N = 1,444

N = 1,026

N = 105

Participants evaluable at M10-121

n = 2,804

n = 1,284

n = 1,520

n = 856

n = 615

n = 63

Cough diagnosis in M10-M12

Chronic cough

472 (16.8%)

470 (36.6%)

2 (0.1%)

2 (0.2%)

0

0

Other coughs

527 (18.8%)

46 (3.6%)

481 (31.6%)

474 (55.4%)

16 (2.6%)

1 (1.6%)

Cough-variant asthma

477 (17.0%)

36 (2.8%)

441 (29.0%)

32 (3.7%)

427 (69.4%)

7 (11.1%)

Atopic/allergic cough

49 (1.8%)

7 (0.6%)

42 (2.8%)

1 (0.1%)

5 (0.8%)

41 (65.1%)

Cough associated with infection

19 (0.7%)

9 (0.7%)

10 (0.7%)

4 (0.5%)

2 (0.3%)

1 (1.6%)

Post-infectious cough

19 (0.7%)

6 (0.5%)

13 (0.9%)

1 (0.1%)

2 (0.3%)

0

  1. 1Defined as those participants with a cough diagnosis code or a diagnostic code for a cough-related disease during the 3-month period from Month 10 to Month 12 inclusive
  2. Proportions are calculated with the respect to the number of participants evaluable in Months 10 to 12 (M10-12)