|0-14 Variability:||Uncharacteristic of Asthma|
|15-19 Variability:||Supports dx of asthma|
|20-30 Variability:||Mild Persistant Asthma|
|31-100 Variability:||Moderate to severe persistant|
|AvgDailyVariability = 100 * (HighestPEF – LowestPEF) / HighestPEF|
1. Buzoianu E, Moiceanu M, Plesca DA. Asthma Control Assessment in Children: Correlation between Asthma Control Test and Peak Expiratory Flow. Maedica (Buchar) 2014; 9:338.
2. National Asthma Education and Prevention Program: Expert Panel Report III: Guidelines for the diagnosis and management of asthma. Bethesda, MD. National Heart, Lung, and Blood Institute, 2007. (NIH publication no. 08-4051)
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