TABLE 3.
Minerals and trace elements from the diet and supplements in 39 adolescent girls with anorexia nervosa (AN) and in 39 healthy adolescents and the proportion of these subjects meeting the Dietary Reference Intake (DRI) for these nutrients1
| Diet alone
|
Supplements alone
|
Total (diet + supplements)
|
||||
|---|---|---|---|---|---|---|
| Control group (n = 39) | AN group (n = 39) | Control group (n = 9) | AN group (n = 18) | Control group (n = 39) | AN group (n = 39) | |
| Calcium | ||||||
| (mg) | 981 ± 882 | 1169 ± 88 | 79 ± 33 | 277 ± 743 | 1060 ± 92 | 1446 ± 994 |
| (% meeting DRI) | 25.0 | 38.5 | 30.0 | 59.04 | ||
| Phosphorus | ||||||
| (mg) | 1216 ± 77 | 1333 ± 82 | 9 ± 4 | 25 ± 10 | 1225 ± 78 | 1358 ± 83 |
| (% meeting DRI) | 42.5 | 48.7 | 42.5 | 51.3 | ||
| Magnesium | ||||||
| (mg) | 254 ± 14 | 313 ± 203 | 6 ± 3 | 25 ± 11 | 260 ± 15 | 337 ± 214 |
| (% meeting DRI) | 30.0 | 43.6 | 35.0 | 51.3 | ||
| Iron | ||||||
| (mg) | 15.0 ± 0.9 | 17.4 ± 1.4 | 2.2 ± 1.0 | 6.8 ± 2.14 | 17.2 ± 1.5 | 24.2 ± 2.44 |
| (% meeting DRI) | 52.5 | 59.0 | 57.5 | 74.4 | ||
| Zinc | ||||||
| (mg) | 9.3 ± 0.5 | 10.9 ± 1.1 | 1.6 ± 0.7 | 5.0 ± 1.6 | 10.9 ± 0.9 | 15.9 ± 1.93 |
| (% meeting DRI) | 42.5 | 53.9 | 55.0 | 69.2 | ||
| Copper | ||||||
| (mg) | 1.1 ± 0.1 | 1.2 ± 0.1 | 0.2 ± 0.1 | 0.5 ± 0.2 | 1.3 ± 0.1 | 1.7 ± 0.2 |
| (% meeting DRI) | 72.5 | 76.9 | 72.5 | 76.9 | ||
| Selenium | ||||||
| (μg) | 101.9 ± 6.0 | 92.7 ± 6.9 | 1.2 ± 0.7 | 6.4 ± 5.2 | 103.1 ± 6.0 | 99.1 ± 9.0 |
| (% meeting DRI) | 100.0 | 79.54 | 100.0 | 84.64 | ||
| Sodium (mg) | 2997 ± 137 | 2879 ± 220 | 0.1 ± 0.1 | 0.7 ± 0.5 | 2997 ± 137 | 2880 ± 220 |
| Potassium (mg) | 2421 ± 142 | 2866 ± 181 | 3.4 ± 2.2 | 7.0 ± 3.5 | 2424 ± 142 | 2873 ± 1813 |
1
Data were derived from 4-d food records.
2
x̄ ± SEM (all such values).
3,4
Significantly different from the control group (Student’s t test): 3P ≥ 0.05, 4P ≥ 0.01.