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Table 3 Participant characteristics at the index month

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

Population

 

Population ‘All’

Population 1

Population 2

Other coughs

Cough-variant asthma

Atopic/allergic cough

Number of patients

N = 6,038

N = 3,500

N = 2,538

N = 1,444

N = 1,026

N = 105

 

Age at index date

 

Mean ± SD

43.7 ± 12.2

42.3 ± 12.2

45.6 ± 11.9

45.3 ± 11.9

45.8 ± 11.8

46.2 ± 11.8

 

 ≥ 60 years

564 (9.3%)

283 (8.1%)

281 (11.1%)

153 (10.6%)

124 (12.1%)

10 (9.5%)

Gender

 

Men

2,308 (38.2%)

1,402 (40.1%)

906 (35.7%)

503 (34.8%)

369 (36.0%)

42 (40.0%)

 

Women

3,730 (61.8%)

2,098 (59.9%)

1,632 (64.3%)

941 (65.2%)

657 (64.0%)

63 (60.0%)

Medical facility size

N = 6,000

N = 3,483

N = 2,517

N = 1,444

N = 1,017

N = 105

 
 

1–19 beds

4,196 (69.9%)

2,197 (63.1%)

1,999 (79.4%)

1,202 (83.9%)

783 (77.0%)

65 (61.9%)

 

20–199 beds

521 (8.7%)

373 (10.7%)

148 (5.9%)

46 (3.2%)

85 (8.4%)

10 (9.5%)

 

 ≥ 200 beds

1,283 (21.4%)

913 (26.2%)

370 (14.7%)

184 (12.8%)

149 (14.7%)

30 (28.6%)

Cough-related diseases

 

ARNI

3,132 (51.9%)

1,688 (48.2%)

1,444 (56.9%)

776 (53,7%)

619 (60.3%)

71 (67,6%)

 

Asthma

2,517 (41.7%)

1,620 (46.3%)

897 (35.3%)

506 (35,0%)

340 (33.1%)

54 (51,4%)

 

GERD

829 (13.7%)

448 (12.8%)

381 (15.0%)

185 (12,8%)

179 (17.5%)

20 (19,0%)

 

Paranasal sinusitis

724 (12.0%)

455 (13.0%)

269 (10.6%)

170 (11,8%)

89 (8.7%)

8 (7,6%)

 

CAID

482 (8.0%)

312 (8.9%)

170 (6.7%)

91 (6,3%)

68 (6.6%)

10 (9,5%)

 

Chronic rhinitis

155 (2.6%)

79 (2.3%)

76 (3.0%)

59 (4,1%)

19 (1.9%)

0

 

Postnasal drip

50 (0.8%)

22 (0.6%)

28 (1.1%)

3 (0,2%)

25 (2.4%)

1 (1,0%)

 

Vocal cord dysfunction

74 (1.2%)

46 (1.3%)

28 (1.1%)

15 (1,0%)

13 (1.3%)

0

 

Emphysema

48 (0.8%)

39 (1.1%)

9 (0.4%)

5 (0,3%)

3 (0.3%)

1 (1,0%)

 

Nasal polyps

6 (0.1%)

4 (0.1%)

2 (0.1%)

2 (0,1%)

0

0

  1. ARNI Allergic rhinitis/nasal inflammation, CAID Chronic airway inflammatory disease, GERD Gastro-esophageal reflux disease, IQR interquartile range, SD Standard deviation