Purpose: To estimate the forced expiratory volume in 3 seconds (FEV3) to forced vital capacity (FVC) ratio for an adult based on physical parameters.					Citations with documentation. 08.01.08	Medal Project 2004. See disclaimer.
conversion	enter
body weight in pounds		lbs equals	0	kilograms
body height in feet		feet with
residual height in inches		inches equals	177.8	cm
data	enter
Are you trying to predict the FEV1 of an adult? (Y or N)		:-):-):-)
age of the patient in years		years of age
gender of the patient (enter M or F)		:-):-):-)
height in cm		cm					1.88
body weight in kilograms		kilograms					74.0
Has the patient's FEV3 and FVC been measured? (Y or N)		:-):-):-)
FEV3 in liters		liters
FVC in liters		liters
enter an "x" in the appropriate column to indicate the patient's race (give only 1 answer)
	Black	Chinese	Hispanic	White	Other
race of the patient						Yes	4
calculate	result
data complete?	Yes
evaluation appropriate?	Yes	:-):-):-)
body surface area in square meters (Dubois and Dubois)	2.06	square meters
measured FEV3 to FVC ratio	67	percent
predicted FEV3-to-FVC ratio (Crapo,1981)	95	percent
measured FEV3-to-FVC ratio as percent of predicted	70	percent