Table 1. Subject demographics for study population.

	Boys	Girls
n	15	20
Age (years)	12.5±0.6	10.9±0.8 *
Height (m)	1.65±0.11	1.55±0.09 *
Mass (kg)	54.9±11.7	45.6±11.5 *
BMI (kg/m2)	20.14±2.97	19.13±3.40
Centered mass (kg)	8.6±11.7	9.9±11.5

Mean ± one standard deviation are reported.

^*Significant (p<0.05) difference between boys and girls.