Table 3.
Abnormal metabolic, mineral, and vitamin measures
| Laboratory tests | Baseline | At 1 yr | At 3 yr | At 5 yr |
|---|---|---|---|---|
| Hematocrit | 18.3% ↓ (15/82) | 8.8% ↓ (3/34) | 9.1% ↓ (2/22) | 25.0% ↓ (5/20) |
| Hemoglobin | 20.7% ↓ (17/82) | 8.8% ↓ (3/34) | 9.1% ↓ (2/22) | 28.6% ↓ (6/21) |
| Ferritin | .0% (0/12) | 8.6% ↓ (3/35) | 15.8% ↓ (3/19) | 5.6% ↓ (1/18) |
| Iron | 6.6% ↓ (1/15) | 3.0% ↓ (1/33) | 10.5% ↓ (2/19) | .0% (0/16) |
| TIBC | 6.7% ↑ (1/15) | .0% ↓ (0/33) | 10.5% ↑ (2/19) | 6.3% ↑ (1/16) |
| Total protein | 9.6% ↓ (7/73) | 5.9% ↓ (2/34) | .0% (0/22) | 5.6% ↓ (1/18) |
| Albumin | 26.5% ↓ (20/74) | 12.9% ↓ (4/32) | 5.2% ↓ (2/20) | 5.5% ↓ (1/18) |
| PTH | 51.5% ↑ (17/33) | 22.2% ↑ (6/27) | 7.7% ↑ (1/13) | 58.3% ↑ (7/12) |
| Calcium | 9.9% ↓ (8/81) | .0% (0/32) | .0% (0/20) | .0% (0/19) |
| Magnesium | 17.9% ↓ (14/78) | .0% (0/33) | .0% (0/19) | .0% (0/15) |
| Phosphorus | 5.1% ↓ (4/78) | .0% (0/33) | .0% ↑ (0/18) | 6.3% ↓ (1/16) |
| Zinc | NA | 10.7% ↓ (3/28) | .0% (0/14) | 14.3% ↓ (2/14) |
| HbA1c | 31.4% ↑ (16/51) | .0% ↑ (0/23) | 10.5% ↑ (2/19) | 47.6% ↑ (10/21) |
| Vitamin A | NA | 7.7% ↓ (2/26) | .0% (0/18) | .0% (0/14) |
| Vitamin B1 | 9.1% ↓ (1/11) | .0% (0/22) | 14.3% ↓ (2/14) | 30.8% ↓ (4/13) |
| Vitamin B12 | NA | 2.9% ↓ (1/35) | .0% (0/19) | .0% (0/17) |
| Folate | NA | 8.8% ↓ (3/34) | 5.5% ↓ (1/18) | .0% (0/16) |
| Vitamin D | 75.0% ↓ (27/36) | 34.3% ↓ (12/35) | 55.6% ↓ (10/18) | 42.1% ↓ (8/19) |
TIBC = total iron binding capacity; PTH = parathyroid hormone; NA = not available; HbA1c = glycated hemoglobin.
Arrows indicated increases or decreases.