RBS n=65 (male: 30, female: 35) Control n=58 (male: 26, female: 32) P value
Age (yrs) 12.8 (12.6, 12.9) 12.7 (12.6, 12.9) 0.69
Height (cm)      
 male 161.8 (158.6, 164.9) 159.6 (156.9, 162.3) 0.31
 female 155.8 (154.1, 157.5) 153.7 (152.1, 155.4) 0.09
Weight (kg)      
 male 50.5 (46.6, 54.4) 47.6 (44.3, 50.9) 0.27
 female 46.5 (44.3, 48.7) 45.0 (42.9, 47.1) 0.35
Table 3: Demographic data of the subjects (95% CI).