My PFT Chart

FEV1 is the maximal amount of air you can forcefully exhale in one second.



  • FEV1 greater 80% of predicted= normal


  • FEV1 60% to 79% of predicted = Mild obstruction


  • FEV1 40% to 59% of predicted = Moderate obstruction


  • FEV1 less than 40% of predicted = Severe obstruction





  • DATEFEV1 in LitersFEV1 % Predicted
    8/31/20042.3171%
    4/19/20052.1365%
    2/21/20061.9359%
    4/25/20061.5648%
    5/30/20061.9560%
    6/20/20062.3472%
    8/15/20062.0662%
    8/17/20071.7452%
    10/9/20071.8154%
    11/19/20080.9128%
    11/25/20081.7253%
    10/5/20101.5647%
    4/16/20111.3742%
    5/19/20111.4444%