Asthma Classification Guidelines
The 2007 National Asthma Education and Prevention Program Expert Panel Report 3 Guidelines for the Diagnosis and Management of Asthma uses the severity of asthma classification below, with features of asthma severity divided into three charts to reflect classification in different age groups (0-4 y, 5-11 y, and 12 y and older). Classification includes: intermittent asthma, mild persistent asthma, moderate persistent asthma, and severe persistent asthma.
|Intermittent||Mild Persistent||Moderate Persistent||Severe Persistent|
|cough, wheezing, chest tightness, or difficulty breathing less than twice a week||cough, wheezing, chest tightness, or difficulty breathing 3–5 a week||cough, wheezing, chest tightness, or difficulty breathing daily||cough, wheezing, chest tightness, or difficulty breathing that are continual|
|flare-ups are brief, but intensity may very||flare-ups may affect activity level||flare-ups may affect activity level|
|nighttime symptoms less than twice a month||nighttime symptoms 3–5 times a month||nighttime symptoms 5 or more times a month||frequent nighttime symptoms|
|no symptoms between flare-ups|
|lung function test FEV is 80% or more above normal values||lung function test FEV is 80% or more above normal values||lung function test FEV is above 60% but below 80% of normal values||lung function test FEV is 60% or less of normal values|
|peak flow has less than 20% variability am-to-am or am-topm, day-to-day||peak flow has less than 20-30% variability||peak flow has more than 30% variability||peak flow has more than 30% variability|
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