Table 2. Effect of Rapid and Slow Weight Loss Body Compositiona.
| Δ Post-Baseline | |||
|---|---|---|---|
| Slow WL (Within Group P*), n = 34 | Rapid WL (Within Group P*), n = 34 | P Value** | |
| Weight loss (%) | 6.1 ± 1.0* | 5.9 ± 0.9* | 0.436 |
| Weight loss (kg) | -5.3 ± 1.2* | -5.0 ± 1.2* | 0.324 |
| BMI (kg/cm 2 ) | -2.0 ± 0.4* | -1.9 ± 0.5* | 0.321 |
| Reduction in total daily calorie (kcal) | 638 ± 64* | 1207 ± 133* | < 0.001 |
| WC (cm) | -6.3 ± 1.4* | -4.6 ± 1.5* | < 0.001 |
| HC (cm) | -4.8 ± 1.7* | -3.2 ± 1.7* | < 0.001 |
| WHR | -0.1 ± 0.01* | -0.1 ± 0.01* | 0.930 |
| Resting systolic BP (mmHg) | -3.1 ± 10.3 | -3.3 ± 11.1 | 0.943 |
| Resting diastolic BP (mmHg) | -1.2 ± 7.0 | 0.5 ± 7.3 | 0.406 |
| Heart rate (beat/min) | 3.2 ± 10.5 | -0.6 ± 12.1 | 0.253 |
| LBM (kg) | -0.3 ± 0.6* | -1.4 ± 0.6* | < 0.001 |
| LBM% | 1.6 ± 0.9* | 0.2 ± 0.8 | < 0.001 |
| FM (kg) | -4.7 ± 1.4* | -2.8 ± 1.4* | < 0.001 |
| PBF (%) | -3.1 ± 1.5* | -1.0 ± 1.3* | < 0.001 |
| FM/LBM | -0.15 ± 0.06* | -0.04 ± 0.06* | < 0.001 |
| TBW (kg) | -0.4 ± 0.8* | -1.7 ± 0.7* | < 0.001 |
| FFM (kg) | -0.6 ± 1.0* | -2.1 ± 1.0* | < 0.001 |
| RMR (kcal) | -160 ± 34* | -197 ± 38* | < 0.001 |
| Arms LBM (kg) | -0.1 ± 0.2* | -0.3 ± 0.4* | 0.022 |
| Trunk LBM (kg) | -0.3 ± 0.7* | -0.9 ± 0.5* | < 0.001 |
| Feet LBM (kg) | -0.3 ± 0.4* | -0.4 ± 0.2* | 0.147 |
| Arms FM (kg) | -1.2 ± 0.4* | 0.7 ± 0.6* | 0.001 |
| Arms FM (%) | -4.8 ± 2.5* | -1.6 ±1.9* | < 0.001 |
| Trunk FM (kg) | -2.0 ± 1.1* | -1.3 ± 0.7* | 0.006 |
| Trunk FM (%) | -2.6 ± 1.6* | -1.1 ± 1.2* | < 0.001 |
| Feet FM (kg) | -1.4 ± 0.8* | -0.6 ± 0.5* | < 0.001 |
| Feet FM (%) | -2.9 ± 1.4* | -0.9 ± 1.1* | < 0.001 |
Abbreviations: BMI, body mass index; BP, blood pressure; FFM, fat free mass; FM, fat mass; HC, hip circumstance; LBM, lean body mass; PBF, percent body fat; RMR, resting metabolic rate; TBW, total body water; WC, waist circumstance; WHR, waist to hip ratio; WL, weight loss.
a* Significant changes within groups: P ≤ 0.05, ** between groups P.