Table 1 Calorimetric variables before and after morning and evening meals

From: Is the timing of caloric intake associated with variation in diet-induced thermogenesis and in the metabolic pattern? A randomized cross-over study

  Morning Evening P-value
Number 20   20   
Fasting RMR (kcal) 1588.5 (1464.9;1712.1) 1518.5 (1407.7;1629.3) 0.098
After-meal RMR (kcal) 1916.0 (1791.5;2040.5) 1755.5 (1648.0;1863.0) <0.001
DIT (kcal) 327.5 (279.0;376.0) 237.0 (195.1;278.9) 0.003
Fasting RMRa (kcal kg−1 FFM) 30.2 (27.8;31.7) 29.1 (27.0;31.2) 0.180
After-meal RMRa (kcal kg−1 FFM) 36.7 (34.6;38.8) 33.7 (31.4;36.0) <0.001
DITa (kcal kg−1 FFM) 6.46 (5.16;7.76) 4.62 (3.55;5.70) 0.003
Fasting RQ 0.87 (0.85;0.89) 0.80 (0.78;0.82) <0.001
After-meal RQ 0.90 (0.89;0.92) 0.85 (0.82;0.88) 0.002
RQ Difference 0.03 (0.01;0.05) 0.05 (0.02;0.08) 0.055
Fasting CHO oxidation (g min−1) 0.13 (0.10;0.15) 0.05 (0.02;0.07) <0.001
After-meal CHO oxidation (g min−1) 0.20 (0.18;0.22) 0.12 (0.08;0.16) <0.001
CHO oxidation difference 0.07 (0.05;0.09) 0.08 (0.05;0.10) 0.856
Fasting fat oxidation (g min−1) 0.01 (0.01;0.02) 0.04 (0.03;0.05) <0.001
After-meal fat oxidation (g min−1) 0.01 (0.00;0.02) 0.03 (0.02;0.04) 0.006
Fat oxidation difference −0.01 (-0.01;0.00) −0.01 (-0.03;0.00) 0.116
  1. Mean (95% CI); P-values calculated by the t-test for paired data
  2. Abbreviations: CHO, carbohydrates; DIT, diet-induced thermogenesis; FFM, fat-free mass; RMR, resting metabolic rate; RQ, respiratory quotient.
  3. aEnergy expenditure calculated in relation to FFM.