Peak Expiratory Flow Prediction


PEF Female  
PEF Male  


Equations used
PEFFemale = e((0.376*ln(Age))-(0.012*Age)-(58.8/Height)+5.63)
PEFMale = e((0.544*ln(Age))-(0.0151*Age)-(74.7/Height)+5.48)


  1. Nunn AJ, Gregg I. New regression equations for predicting peak expiratory flow in adults. BMJ. 1989 Apr 22;298(6680):1068-70. PubMed ID: 2497892 PubMed Logo
  2. Radeos MS, Camargo CA. Predicted peak expiratory flow: differences across formulae in the literature. Am J Emerg Med. 2004 Nov;22(7):516-21. PubMed ID: 15666252 PubMed Logo



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