Table 3.
Dietary micro-nutrient intake in gastric banding surgery subjects (n=21)
| Nutrient | Baseline | 6 Week | 12 Week | P Value1 |
|---|---|---|---|---|
| Vitamin A (µg) | 432.3.1 (129.5–4789.9) | 452.7 (173.3–1740.8) | 529.3 (218.1–804.6) | 0.68 |
| Vitamin C (mg) | 42.7 (9.7–154.9) | 38.4 (10.2–159.0) | 58.9 (25.2–131.8) | 0.88 |
| Vitamin D (µg) | 2.7 (0.6–22.2) | 1.9 (0.9–14.2) | 2.3 (1.1–7.8) | 0.37 |
| Vitamin E (mg) | 4.8 (1.1–10.9) | 4.2 (1.9–16.4) | 4.7 (1.5–11.5) | 0.71 |
| Vitamin K (µg) | 59.3 (19.3–172.3) | 53.8 (26.6–609.9) | 96.2 (26.3–503.8)2 | 0.03 |
| Thiamin (mg) | 1.3 (0.3–1.9) | 1.1 (0.5–1.5)3 | 0.9 (0.7–2.1) | 0.09 |
| Riboflavin (mg) | 1.4 (0.5–4.4) | 1.2 (0.5–1.7)3 | 1.2 (0.6–2.3) | 0.09 |
| Niacin (mg) | 16.6 (3.6–27.7) | 13.5 (5.3–24.2) | 14.2 (8.7–24.3) | 0.29 |
| Vitamin B6 (mg) | 1.3 (0.3–2.0) | 1.2 (0.6–2.1) | 1.2 (0.7–2.0) | 0.49 |
| Folate (µg) | 323.9 (75.2–665.6) | 294.4 (125.0–852.9) | 343.5 (206.6–634.0) | 0.72 |
| Vitamin B12 (µg) | 3.8 (0.7–32.2) | 2.9 (1.3–7.8) | 3.2 (1.2–6.6) | 0.37 |
| Pantothenic acid (mg) | 3.8 (1.0–8.5) | 3.1 (1.2–7.2) | 3.0 (1.2–6.9) | 0.29 |
| Calcium (mg) | 622.2 (157.6–2697.6) | 533.2 (165.0–1373.8) | 585.3 (348.5–1193.3) | 0.61 |
| Copper (µg) | 888.0 (313.3–2353.3) | 746.7 (426.7–1143.3) | 826.7 (346.7–1700.0) | 0.12 |
| Iron (mg) | 9.6 (3.0–16.9) | 9.2 (3.9–20.2) | 9.5 (7.0–21.5) | 0.19 |
| Magnesium (mg) | 211.1 (56.3–300.6) | 166.6 (115.3–352.6) | 196.3 (96.4–500.7) | 0.33 |
| Phosphorus (mg) | 1001.9 (301.5–2372.5) | 866.9 (501.1–1203.6) | 901.8 (500.5–1884.0) | 0.15 |
| Selenium (µg) | 87.0 (20.5–140.6) | 66.6 (30.7–155.2)3 | 69.5 (45.8–139.1) | 0.13 |
| Zinc (mg) | 8.3 (2.1–14.8) | 7.7 (2.3–17.9) | 6.9 (4.4–18.0) | 0.26 |
| Potassium (mg) | 2119.8 (606.3–3486.6) | 1589.8 (857.4–2475.3)2 | 1731.4 (1077.7–2316.4)3 | 0.01 |
| Sodium (mg) | 3125.2 (754.2–4287.4) | 2293.6 (721.9–4480.3)3 | 2155.0 (1226.5–4240.6) | 0.06 |
Values are shown as medians with minimum and maximum values in parenthesis.
1
Change in intake over 12 weeks was assessed by repeated measures analysis.
2
P<0.01 compared with the baseline value.
3
P<0.05 compared with the baseline value.