Skip to main content

Table 2 Asthma prevalence by age group in the sample population and standardized for the Portuguese population

From: Asthma in an Urban Population in Portugal: A prevalence study

Age groups

Asthma

Non-asthma

Prevalence %

95% CI

Prevalence % Standardized for Portuguese Population

0 to 7

13

123

9.56

5.41 to 13.71

8.6

8 to 19

21

139

13.13

8.74 to 17.52

13.1

20 to 64

18

122

12.86

8.21 to 17.51

12.3

≥ 65

7

133

5.00

1.97 to 8.03

6.3

Total

59

517

10.24

8.16 to 12.32

 

Total sample

 

576

   
  1. (The three "doubtful cases" were included with the non-asthma patients in this table.)