Table 3.
Mean (standard deviation) intakes of nutrients from diet alone and diet plus supplements in elderly subjects, n=89
| Mean ± SD Diet only | Mean ± SD Diet + supplements | t,p1 | |
|---|---|---|---|
| Potassium, mg | 2814.6 ± 1011.8 | 2864.1 ± 1022.7 | 11.9, .0001 |
| Vitamin A, mcg RE | 1225.1 ± 933.4 | 2098.6 ± 3225.9 | 2.6, .010 |
| β-carotene, mcg RE | 1232.2 ± 3477.4 | 1727.7 ± 3463.3 | 13.5, .0001 |
| Vitamin C, mg | 165.5 ± 187.8 | 315.7 ± 295.5 | 5.7, .0001 |
| Vitamin D, IU | 190.3 ± 494.4 | 498.2 ± 498.0 | 12.8, .0001 |
| Vitamin E, IU | 9.9 ± 9.0 | 153.7 ± 212.5 | 6.4, .0001 |
| Vitamin K ug | 79.9 ± 100.7 | 86.5 ± 100.9 | 12.8, .0001 |
| Thiamin, mg | 1.6 ± 0.8 | 2.6 ± 1.1 | 13.2, .0001 |
| Riboflavin, mg | 1.7 ± 0.8 | 2.9 ± 1.2 | 13.2, .0001 |
| Niacin, mg | 19.4 ± 9.1 | 32.6 ± 13.0 | 13.2, .0001 |
| Vitamin B6 mg | 1.8 ± 0.8 | 5.3 ± 9.3 | 3.6, .0001 |
| Folate, ug DFE | 518.4 ± 272.2 | 953.9 ± 454.9 | 11.9, .0001 |
| Vitamin B12 ug | 3.8 ± 3.2 | 28.0 ± 61.7 | 3.7, .0001 |
| Pantothanic acid, ug | 3.6 ± 2.8 | 9.9 ± 5.7 | 12.2, .0001 |
| Calcium, mg | 790.2 ± 449.7 | 1135.9 ± 609.3 | 8.1, .0001 |
| Iron, mg | 14.8 ± 6.6 | 18.4 ± 9.3 | 4.7, .0001 |
| Magnesium, mg | 286.0 ± 112.3 | 351.2 ± 127.7 | 12.8, .0001 |
| Zinc, mg | 9.9 ± 5.3 | 21.4 ± 13.0 | 8.9, .0001 |
| Selenium, mg | 0.1 ± 0.04 | 17.9 ± 22.0 | 7.7, .0001 |
1
paired t, significance
RE=retinol equivalents
β-carotene reported in IU, converted from µg by conversion factor of 3.33
IU=international units
DFE= dietary folate equivalents