Table 1.
Participant demographics and characteristics, presented as frequencies and mean ± SD.
| NW | OB | PWS | |
|---|---|---|---|
| Frequency | 16 | 18 | 11 |
| Male/female | 7/9 | 12/6 | 8/3 |
| Age (y) | 9.4 ± 1.1‡ | 9.3 ± 1.1‡ | 11.4 ± 2.5 |
| Pubertal stage (Tanner) | |||
| I | 9 | 9 | 3 |
| II | 4 | 5 | 2 |
| III | 3 | 3 | 2 |
| IV | 0 | 0 | 2 |
| V | 0 | 0 | 1 |
| Body mass (kg) | 32.76 ± 5.58 | 53.18 ± 13.31* | 57.70 ± 22.67* |
| Body mass index z-score | −0.1 ± 0.6 | 2.0 ± 0.5* | 1.7 ± 0.7* |
| Waist circumference (cm) | 60.7 ± 4.4 | 85.3 ± 11.9* | 84.1 ± 17.8* |
| Trunk fat (%) | 16.7 ± 5.1 | 42.9 ± 7.8* | 43.5 ± 8.4* |
| Fat mass (%) | 18.7 ± 4.6 | 41.2 ± 7.5* | 43.4 ± 8.2* |
| Lean mass (%) | 78.1 ± 4.3 | 57.0 ± 7.2* | 54.8 ± 7.8* |
| Lean mass (kg) | 25.32 ± 3.91 | 29.31 ± 4.42 | 30.91 ± 11.92 |
| Resting heart rate (bpm) | 86 ± 10 | 80 ± 9 | 81 ± 13 |
| Resting SBP (mm Hg) | 99 ± 9 | 106 ± 11 | 113 ± 12* |
| Resting DBP (mm Hg) | 60 ± 12 | 69 ± 11* | 68 ± 6 |
Values are significant at P < 0.050; *different than NW; ‡different than PWS. Pubertal status was not obtained from one OB and one PWS.