Table 1.
Effect of blood additives on HbA1C level (as % of total Hb)
| EDTA | Heparin | Citrate | Fluoride | |
|---|---|---|---|---|
| Normal Sample 1 | 5.6 | 5.6 | 5.6 | 5.6 |
| Normal Sample 2 | 5.5 | 5.6 | 5.5 | 5.5 |
| Normal Sample 3 | 5.9 | 5.9 | 5.8 | 5.9 |
| Normal Sample 4 | 5.6 | 5.7 | 5.6 | 5.6 |
| Diabetic Sample 1 | 10.1 | 10.1 | 10.2 | 10.1 |
| Diabetic Sample 2 | 9.7 | 9.6 | 9.6 | 9.6 |