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Thoracic gas volume and percent body fat by group and gender |
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| European American |
African American |
European |
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| Girls |
N = 42 |
N = 23 |
N = 34 |
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| Measured TGV |
2.12 ± 0.55 |
1.96 ± 0.43 |
2.79 ± 0.69 |
| Percent body fat (measured TGV) |
26.8 ± 9.0 |
23.5 ± 8.8 |
18.4 ± 8.1 |
| Predicted TGV by the adult equation (L) |
2.71 ± 0.42 * |
2.67 ± 0.49 ** |
3.20 ± 0.48** |
| Percent body fat (predicted adult TGV) |
29.3 ± 9.3 |
26.8 ± 8.8 |
20.1 ± 8.3 |
| TGV by the child-specific equation (L) |
2.22 ± 0.46 |
2.19 ± 0.51 |
2.83 ± 0.73 |
| Percent body fat (child-specific TGV) |
27.1 ± 9.5 |
24.3 ± 9.1 |
18.5 ± 8.6 |
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| Boys |
N = 18 |
N = 20 |
N = 53 |
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| Measured TGV |
2.24 ± 0.86 |
2.09 ± 0.49 |
4.03 ± 1.00 |
| Percent body fat (measured TGV) |
27.2 ± 10.2 |
25.2 ± 11.2 |
12.5 ± 5.6 |
| Predicted TGV by the adult equation (L) |
2.56 ± 0.70 |
2.34 ± 0.60 |
3.80 ± 0.66 |
| Percent body fat (predicted adult TGV) |
28.6 ± 10.7 |
26.2 ± 11.0 |
12.2 ± 5.9 |
| TGV by the child-specific equation (L) |
2.29 ± 0.75 |
2.07 ± 0.58 |
3.82 ± 1.04 |
| Percent body fat (child-specific TGV) |
27.4 ± 10.4 |
25.0 ± 11.0 |
11.8 ± 5.8 |
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Data are mean ± SD. Mean differences were assessed using ANOVA and Tukey's test for multiple comparisons. * p < 0.05 and is significantly different from the measured value. ** p < 0.001 and is significantly different from the measured value. | |||
Higgins et al. BMC Pediatrics 2006 6:18 doi:10.1186/1471-2431-6-18 |
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