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Table 4 Evaluation of new and selected predictive equations in athletes (validation group)

From: Resting energy expenditure in elite athletes: development of new predictive equations based on anthropometric variables and bioelectrical impedance analysis derived phase angle

REE predictive equations Difference
PREE-MREE
kcal/d Mean (SD)
Bias§, % RMSE
kcal/d
Equations for normal-weight subjects
 HB − 82 (146)* − 3.9 107
 Schofield −  93 (142)* − 4.4 108
 FAO/WHO/UNU − 92 (140)* − 4.4 107
 Mifflin − 141 (156)* − 7.0 164
 Owen −  222 (140)* − 11.3 225
Equations for athletes
 De Lorenzo 21 (173) 2 94
 Wong −  41 (153)* −1.4 104
 Ten Haaf 60 (152)* 4 98
 Equation A − 17 (134) − 0.3 88
 Equation B − 20 (124) − 0.6 76
  1. Average REE measured with indirect calorimetry = 1826 ± 234 kcal/d
  2. REE resting energy expenditure, MREE measured resting energy expenditure, PREE predicted resting energy expenditure, RMSE root mean square error, HB Harris and Benedict, FAO Food and Agriculture Organization
  3. § Mean percentage error between predicted and measured REE; * p < 0.05