Table 1.
Age, BMI and body composition data in subjects with Prader–Willi syndrome and simple obesity
| Variable | Obese control | Prader–Willi syndrome | P-value | ||||
|---|---|---|---|---|---|---|---|
| N | Mean | s.d. | N | Mean | s.d. | ||
| Age (years) | 14 | 26.9 | 11.4 | 20 | 27.7 | 10.3 | 0.818 |
| BMI (kg/m2) | 14 | 40.4 | 10.1 | 20 | 35.9 | 9.1 | 0.186 |
| Waist-to-hip ratio | 14 | 0.96 | 0.1 | 19 | 0.96 | 0.1 | 0.975 |
| % Body fat | 14 | 48.5 | 6.3 | 20 | 54.1 | 5.9 | 0.013* |
| Fat (kg) | 14 | 49.5 | 16.5 | 20 | 42.9 | 13.7 | 0.234 |
| % Lean | 14 | 51.5 | 6.3 | 20 | 45.9 | 5.9 | 0.013* |
| Lean (kg) | 14 | 51.4 | 11.7 | 20 | 35.3 | 7.5 | 0.001* |
Fat and lean measurements obtained by DEXA.
*
Significant difference between PWS and control determined by Student’s t-test.