2. What is Known About Asthma? Asthma is one of the most common chronic diseases worldwide. The prevalence of asthma symptoms in children varies from 1 to more than 30% in different populations and is increasing in most countries among young children.
3.
4.
5.
6.
7.
8. Classification of Asthma by level of Control One in any week One or more/year None Exacerbations <80% predicted or personal best Normal Lung function (PEF or FEV1) More than twice/week None(twice or less/week) Need for reliever/ rescue treatment Any None Nocturnal symptoms/ awakening Any None Limitations of activities Three or more features of partly controlled asthma present in any week More than twice/week None( twice or less/week) Daytime symptoms Uncontrolled Partly (any measure present in any week) Controlled(all of the following) Characteristic Levels of Asthma Control
