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Table 2 Comparison of energy intake and exercise energy expenditure between groups according to energy availability level

From: Association of energy availability with resting metabolic rates in competitive female teenage runners: a cross-sectional study

   EA (kcalkg−1 FFMd−1)   
  All > 30 < 30 p Effect size
N 18 12 6   
Energy intake      
(kcalkg−1 FFMd−1) 56.8 ± 15.2 65.4 ± 10.0 39.5 ± 6.2 <0.001 2.75
Exercise energy expenditure      
(kcalkg−1 FFMd−1) 21.7 ± 5.9 21.0 ± 5.9 23.1 ± 6.3 0.502 0.33
Energy availability      
(kcalkg−1 FFMd−1) 35.0 ± 15.0 44.3 ± 6.6 16.5 ± 7.5 <0.001 3.85
  1. Values are presented as mean ± standard deviation
  2. EA: energy availability, FFM: fat free mass (kg)