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The Egyptian Journal of Otolaryngology

Table 1 Trends in the epidemiology of allergic rhinitis among Malaysian children and young teenagers based on the results of the ISAAC survey

From: Prevalence, causes and treatments of allergic rhinitis in Malaysia: a literature review

Prevalence rate (%)

Age group

6–7 years old (children)

13–14 years old (teenagers)

Region

Phase I

Phase III

Change

Phase I

Phase III

Change

Northern

3.6

4.2

+0.6

16.7

16.3

−0.4

Northern

4.6

-

-

18.0

-

-

Central

5.0

6.2

+1.2

14.6

19.8

+5.2

East Coast

3.8

4.2

+0.4

9.6

12.5

+2.9

Southern

2.8

-

-

8.0

-

-

Average

4.0

4.9

0.9

13.4

16.2

+2.8

  1. The International Study of Asthma and Allergies in Childhood (ISAAC) was conducted in three separate time frames, namely phase I (1994–1995), phase II (1998) and phase III (2001–2002), respectively [23]. Malaysia was part of phases I and III of the study. (-) indicates data not available
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