TABLE 2

Whole-body substrate use and energy expenditure

Normal-fat mealHigh-fat mealP value
Baseline
    RQ0.82 ± 0.010.80 ± 0.020.3738
    REE (kcal/24 h)1,649 ± 951,541 ± 780.3878
Test meal
    kcal548 ± 291,248 ± 33<0.0001
    Fat (g)16.4 ± 0.995.8 ± 1<0.0001
10-h substrate oxidation
    Carbohydrate (g)131 ± 775 ± 90.0002
    Fat (g)24 ± 433 ± 50.1731
    Protein (g)27 ± 226 ± 30.7575
Substrate use
    Carbohydrate (% of 10-h EE)62 ± 344 ± 50.0111
    Fat (% of 10-h EE)25 ± 342 ± 50.0124
    Protein (% of 10-h EE)13 ± 115 ± 10.2564
  • Data are means ± SE. EE, energy expenditure; RQ, respiratory quotient.