TABLE 2

Baseline prevalence of chronic cough

Baseline characteristicsSubjects at risk nPrevalent chronic cough nPrevalence % (95% CI)p-value
Study Population9824107310.9 (10.3–11.6)
Sex
 Male409943410.6 (9.7–11.6)0.369
 Female572563911.2 (10.4–12.0)
Age ≥70 years
 No61185799.5 (8.7–10.2)<0.001
 Yes370649413.3 (12.3–14.5)
Age <70 years
 Male26402248.5 (7.4–9.6)0.023
 Female347835510.2 (9.2–11.3)
Smoking status
 Never31332688.6 (7.6–9.6)<0.001
 Past49154759.7 (8.9–10.5)
 Current176932918.6 (16.8–20.5)
ACE-inhibitors
 Non-users798782910.4 (9.7–11.1)<0.001
 Users183724413.3 (11.8–14.9)
Obesity
 No661867910.3 (9.5–11.0)0.154
 Yes211424011.4 (10.0–12.8)

ACE: angiotensin converting enzyme