Table 3. Comparisons of bone mineral density (BMD) 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 | 0.766 (0.122) | 0.747 (0.095) | 0.175 | --- | --- | --- |
| Spine | 0.968 (0.145) | 1.001 (0.176) | 0.238 | --- | --- | --- |
| Lower limbs | 1.163 (0.139) | 1.110 (0.118) | 0.481 | --- | --- | --- |
| Whole body | 1.058 (0.100) | 1.053 (0.105) | 0.535 | --- | --- | --- |
| BMD (g/cm2) | Mean (95% CI) | Mean (95% CI) | Effect size determined through ANCOVA (eta-squared [ES-r]) | |||
| Upper limbs | 0.724 (0.967 to 0.750) | 0.790 (0.764 to 0.817) | 0.171* | 0.001 | 0.807* | 0.045 |
| Spine | 0.900 (0.850 to 0.950) | 1.070 (1.020 to 1.121) | 0.275* | 0.019 | 0.681* | 0.053 |
| Lower limbs | 1.106 (1.062 to 1.151) | 1.168 (1.123 to 1.212) | 0.059 | 0.028 | 0.616* | 0.016 |
| Whole body | 1.006 (0.974 to 1.038) | 1.106 (1.074 to 1.139) | 0.241* | 0.070 | 0.681* | 0.005 |
*Denotes covariate with P-value < 0.05. SD = standard deviation; 95% CI = 95% confidence interval; PHV = peak height velocity; LST = lean soft tissue.