Table 1.
Characteristics of all boys and girls with Down syndrome
| Total (n = 102) | Boys (n = 62) | Girls (n = 40) | p value | |
|---|---|---|---|---|
| Age (years) | 9.6 ± 2.7 | 9.2 ± 2.8 | 10.1 ± 2.5 | 0.0892 |
| Physical Data | ||||
| Height (cm) | 124.6 ± 15.8 | 124.5 ± 17.8 | 125.9 ± 13.6 | 0.6637 |
| Body Weight (kg) | 28.9 ± 10.8 | 28.7 ± 11.8 | 29.5 ± 10.2 | 0.7182 |
| Height SD | −2.1 ± 1.1 | −1.9 ± 1.1 | −2.3 ± 0.9 | 0.1079 |
| BMI-p | 55.5 ± 25.6 | 57.7 ± 25.3 | 52.0 ± 26.3 | 0.257 |
| Biochemical Data | ||||
| ALT (IU/L) | 20.8 ± 11.2 | 20.8 ± 9.7 | 19.8 ± 12.5 | 0.7155 |
| UA (mg/dl) | 5.2 ± 1.2 | 5.5 ± 1.2 | 4.8 ± 1.0 | 0.0034* |
| Non HDL-C (mg/dl) | 108.9 ± 24.1 | 109.1 ± 25.3 | 108.3 ± 21.9 | 0.8924 |
| DHEA-S (ng/dl) | 97.2 ± 67.5 | 105.9 ± 76.3 | 82.1 ± 45.4 | 0.0952 |
| TSH (µU/ml) | 3.7 ± 2.0 | 3.7 ± 2.1 | 3.5 ± 1.8 | 0.6224 |
| fT3 (pg/ml) | 3.9 ± 0.6 | 4.0 ± 0.4 | 3.8 ± 0.7 | 0.1725 |
| fT4 (ng/dl) | 1.3 ± 0.4 | 1.3 ± 0.2 | 1.2 ± 0.2 | 0.0344 |
All data are expressed as the mean ± SD. BMI-p, body mass index-percentile; ALT, alanine aminotransferase; UA, uric acid; non HDL-C, non high-density lipoprotein cholesterol; DHEA-S, dehydroepiandrosterone-sulfate; TSH, thyroid-stimulating hormone; fT3, free triiodothyronine; fT4, free thyroxine.