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PFT Predicted Values for Women MultiCalc

 

Input
 

Height		cm inch in mm m
Age		mo yr
Race	Asian (0.93)
	Black or African American (0.87)
	White (1)

 
Results
 
Important: Inputs must be complete to perform calculation.

 

FEV1		L cL mL ounce (UK) ounce (US) pint (UK) pint (US) quart (UK) quart (US) tablespoon (US) tablespoon (metric) teaspoon (US) teaspoon (metric)
FVC		L cL mL ounce (UK) ounce (US) pint (UK) pint (US) quart (UK) quart (US) tablespoon (US) tablespoon (metric) teaspoon (US) teaspoon (metric)
FEV1 FVC Ratio		% fraction percent rate ratio
Decimal Precision   0 1 2 3

 

Data action

 
     
 
Include literature references: Yes   No

 

 

Notes

• The residual standard deviation (RSD) for FEV1 is 0.38 litres.
• For FVC, the RSD is 0.38 litres and for the FEV1/FVC Ratio, the RSD is 6.51%.

 
Equations used
 

FEV1 = Race * ((0.0395 * Height) - (0.025 * Age) - 2.6 )

FVC = Race * ((0.0443 * Height) - (0.026 * Age) - 2.89 )

FEV1FVCRatio = 89.1 - (0.19 * Age)

 

 

Calculation Details and Variables

• Equation parameters such as Race, have two or more discrete values that may be used in the calculation. The numbers in the parentheses, e.g. (0.93), represent the values that will be used.

 

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. PubMed ID: 8499054
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. PubMed ID: 15065839

 

Associated Medical Subject Headings [MeSH]
 

80 and over,   Adolescent,   Adult,   Aged,   Cross-Sectional Studies,   European Continental Ancestry Group,   Female,   Forced Expiratory Volume,   Health Surveys,   Humans,   Lung,   Lung Volume Measurements,   Male,   Medical,   Middle Aged,   Pulmonary Ventilation,   Reference Values,   Regression Analysis,   Respiratory Function Tests,   Societies,   Spirometry,   Vital Capacity

 

Associated Logical Observation Identifiers Names and Codes [LOINC]
 

Parameter	LOINC's and Suggested Units
Height	8302-2 : cm      8301-4 : cm      3137-7 : cm      91370-7 : cm      3138-5 : cm      8306-3 : cm
Age	21612-7 : yr      21612-7 : yr      21612-7 : years      30525-0 : Years old      30525-0 : yr      30525-0 : years
FEV1	20150-9 : L
FVC	19872-1 : L

 
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