Table 4. Comparisons of bone mineral density (BMD) percentage accruals after nine months of follow-up, between the boys and girls (n = 48).
| BMD (g/cm2) | Boys (n = 24) | Girls (n = 24) | Sex | PHV | LST | Sport |
|---|---|---|---|---|---|---|
| Mean (SD) | Mean (SD) | P-value | ||||
| Upper limbs | 7.9 (7.7) | 5.6 (4.1) | 0.062 | --- | --- | --- |
| Spine | 6.6 (5.0) | 7.8 (4.2) | 0.741 | --- | --- | --- |
| Lower limbs | 4.7 (3.7) | 4.5 (2.6) | 0.186 | --- | --- | --- |
| Whole body | 4.2 (2.2) | 3.9 (2.2) | 0.819 | --- | --- | --- |
| BMD (g/cm2) | Mean (95% CI) | Mean (95% CI) | Effect size determined through ANCOVA (eta-squared [ES-r]) | |||
| Upper limbs | 7.0 (4.3 to 9.7) | 6.5 (3.8 to 9.3) | 0.001 | 0.018 | 0.396* | 0.036 |
| Spine | 5.8 (3.2 to 8.4) | 8.6 (6.0 to 11.2) | 0.037 | 0.010 | 0.018 | 0.012 |
| Lower limbs | 4.8 (3.0 to 6.6) | 4.4 (2.6 to 6.1) | 0.002 | 0.003 | 0.065 | 0.004 |
| Whole body | 4.0 (2.8 to 5.2) | 4.2 (2.9 to 5.4) | 0.000 | 0.001 | 0.107* | 0.001 |
*Denotes covariate with P-value < 0.05. SD = standard deviation; 95% CI = 95% confidence interval; PHV = peak height velocity; LST = lean soft tissue.