Time Trends and Regional Variation in Prevalence of Asthma and Associated Factors in Saudi Arabia: A Systematic Review and Meta-Analysis.

Biomed Res Int · 2018 · PMC5989288 · PMID 29951546

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an increasing trendno p-value reported

Al Harthi [ 24 ] in Makkah reported an increasing trend in the prevalence of asthma from 16.6% in 2002 to 36.6% in 2006.

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