Input:   Height   cm in m Age   mo yr Race Caucasian (1) Black (0.87) Asian (0.93)

Results:   FEV1   L mL FVC   L mL FEV1 FVC Ratio   % fraction ratio   Decimal Precision: 0 1 2 3

Notes

• The residual standard deviation (RSD) for FEV1 is 0.51 litres.
• For FVC, the RSD is 0.61 litres and for the FEV1/FVC Ratio, the RSD is 7.17%.

References

1. Quanjer PhH, Tammeling GJ, Cotes JE, et. al. Lung volume and forced ventilatory flows. Report Working Party Standardization of lung function tests. Official Statement European Respiratory Society. Eur Respir J. 1993; 6 Suppl 16: 5-40.
2. Falaschetti E, Laiho J, Primatesta P, Purdon S. Prediction equations for normal and low lung function from the Health Survey for England. Eur Respir J. 2004 Mar;23(3):456-63.
3. Internet Site: Become an Expert in Spirometry Website, http://www.spirxpert.com/