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Table 2 Prevalence of clinical asthma, current smoking, symptoms and treatment by regions

From: Global asthma prevalence in adults: findings from the cross-sectional world health survey

    % Among Clinical Asthma Population Reported Symptoms in Last 12 Months
Country Regions Prevalence (%)
of Clinical Asthma
% Current Smokers % Current Smokers Asthma Ever Treated % Wheezing
Africa 4.19 12.65 13.13 78.85 53.20
Americas 4.40 22.20 23.28 82.62 38.12
Eastern Mediterranean 2.99 19.41 17.52 85.52 54.45
Europe 5.28 39.25 35.85 90.24 49.64
South East Asia 3.39 30.23 34.11 78.00 57.86
Western Pacific 6.17 31.46 28.38 77.11 50.84
Global 4.46 23.46 23.33 81.91 49.69