Table 1.
Mean (S.D.) description of subjects and EE at each weight plateau. EE is compartmentalized into Twenty-four Hour EE (TEE), Resting EE (REE), the Thermic Effect of Feeding (TEF), and non-Resting EE (NREE).
| Wtinitial | Wt−10% | Wt−20% | |
|---|---|---|---|
| Age (years) | 28.4 (8.8) | ||
| Gender | 3 Males, 14 Females | ||
| Weight (kg) | 126.9 (32.5) | 113.5 (29.4)* | 100.1 (26.5) |
| Body Mass Index (BMI,kg/m2) | 44.6 (11.2) | 39.5 (10.2)* | 34.4 (8.7) |
| Fat-free Mass (FFM, kg) | 63.4 (18.3) | 61.2 (16.5)* | 57.8 (16.0) |
| Fat Mass (FM, kg) | 63.4 (21.2) | 52.3 (17.9)* | 42.3 (16.0) |
| % Body Fat | 49.3 (9.3) | 45.3 (8.8)* | 41.4 (9.8) |
| FFM compared to Wtinitial (kg) | −2.3 (4.6) | −5.6 (6.0) | |
| FM compared to Wtinitial (kg) | −11.1 (4.2) | −21.2 (6.7) | |
| Change in Energy Stores compared to Wtinitial (kcal) | −106,773 (37,258) | −210,986 (73,635) | |
| TEE (kcal/day) | 3151 (724) | 2575 (600)* | 2232 (575) |
| TEE/FFM (kcal/kg/day) | 50.6 (7.6) | 42.2 (5.7)†‡ | 39.0 (5.1) |
| REE (kcal/day) | 1904 (429) | 1630 (438)* | 1522 (370) |
| REE/ FFM (kcal/kg/day) | 30.5 (3.7) | 26.9 (3.6)† | 26.8 (4.0) |
| TEF (kcal/day) | 114 (74) | 74 (47) | 82 (39) |
| NREE (kcal/day) | 1133 (364) | 871 (330)* | 618 (341) |
| NREE/body weight (kcal/kg/day) | 9.0 (2.0) | 7.5 (2.6)†# | 6.1 (3.0) |
*
P<0.001 vs., Wtinitial and Wt−20%;
†
P<0.001 vs. Wtinitial;
‡
P<0.005 vs. Wt−20%;
#
p<0.05 vs. Wt−20%.