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Correlation between recommended calculated calories (RCC) and resting energy expenditure (REE) differences (30 kcal/kg) and bodyweight or ideal bodyweight. (a) The correlation coefficient is −0.450 (P < 0.001). (b) The correlation coefficient is 0.164 (P = 0.25). The dotted lines indicate 95% confidence intervals for the regression line. RCC is defined as 30 kcal/kg ideal bodyweight/day.
