Purpose: To estimate the forced expiratory flow rate (FEFR) at different percentages of the vital capacity for an adult based on physical parameters.					Citations with documentation. 08.01.16	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 FEF 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
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
Predicted FEF25%
Cherniack (1972)	2.60	liters/second
Knudson (1976)	9.18	liters/second
Predicted FEF50%
Cherniack (1972)	5.66	liters/second
Knudson (1976)	6.82	liters/second
Roberts (1991)	4.26	liters/second
Predicted FEF75%
Cherniack (1972)	8.46	liters/second
Coultas (1976)	NA	liters/second
Knudson (1976)	3.53	liters/second