Lung and Respiratory - Peak Expiratory Flow Variability in Asthma

Lung and Respiratory, Critical Care, Pediatric and Neonatal

Peak Expiratory Flow Variability in Asthma

Input:

Highest PEF
Lowest PEF

Result:

Avg Daily Variability

Decimal Precision:

PEF Variabilty

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

Formula Hints

AvgDailyVariability = 100 * (HighestPEF - LowestPEF) / HighestPEF

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