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United States Department of Agriculture/Agricultural Research Service Children's Nutrition Research Center, Department of Pediatrics, Baylor College of Medicine, Houston, Texas 77030
Received 23 February 1996; accepted in final form 25 July 1996.
Wong, William W., Nancy F. Butte, Albert C. Hergenroeder,
Rebecca B. Hill, Janice E. Stuff, and E. O'Brian Smith. Are basal
metabolic rate prediction equations appropriate for female children and
adolescents? J. Appl. Physiol. 81(6):
2407-2414, 1996.
The basal metabolic rate (BMR), which accounts
for 50-70% of total energy expenditure, is essential for
estimation of patient and population energy needs. Numerous equations
have been formulated for prediction of human BMR. Most equations in
current use are based on measurements of Caucasians performed more than
four decades ago. We evaluated 10 prediction equations commonly used
for estimation of BMR in 76 Caucasian and 42 African-American girls
between 8 and 17 yr of age against BMR measured by whole-body
calorimetry. The majority of the prediction equations (9 of
10) overestimated BMR by 60 ± 46 kcal/day (range,
15-176 kcal/day). This overestimation was found to be
significantly greater (P < 0.05) for
African-Americans (77 ± 17 kcal/day) than for Caucasians (25 ± 17 kcal/day) in six equations, controlling for age, weight, and sexual
maturity. We conclude that ethnicity is an important factor in
estimation of the BMR and that the current prediction equations are not
appropriate for accurate estimation of the BMR of individual female
children and adolescents.
whole body calorimetry; energy metabolism; Caucasians; African-Americans
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