Table 1.
General characteristics and bone parameters, categorized with regard to gender.
| Characteristics | Boys (n = 69) | Girls (n = 65) | ||||
|---|---|---|---|---|---|---|
| Mean | SD | Range | Mean | SD | Range | |
| Age (years) | 9.3 | 1.0 | 7.3–11.2 | 9.4 | 1.2 | 7.3–11.2 |
| Weight (kg) | 30.7 | 9.2 | 18.9–57.5 | 31.7 | 10.6 | 17.4–64.5 |
| Height (cm) | 130.7 | 6.8 | 116.3–143.3 | 132.5 | 10.3 | 112.4–155.4 |
| BMI (kg/m2) | 17.7 | 4.1 | 12.9–29.0 | 17.6 | 3.8 | 12.9–26.7 |
| BAZ | 0.38 | 1.73 | −3.10–4.77 | 0.24 | 1.48 | −2.29–3.37 |
| Radial SOS (m/s) | 3700 | 77 | 3540–3903 | 3693 | 80 | 3506–3878 |
| Radial SOS Z-score | 0.05 | 0.72 | −1.5–2.1 | 0.04 | 0.77 | −1.8–1.8 |
| BMD (g/cm2) | 0.766 | 0.048 | 0.650–0.888 | 0.751 | 0.065 | 0.639–0.914 |
| BMD Z-score | −0.55 | 0.84 | −2.1–1.8 | −0.53 | 0.99 | −2.5–2.0 |
BMI: Body mass index; BAZ: BMI-for-age Z-score; SOS: speed of sound; BMD: bone mineral density.