Table 2. . Measurement precision for each sample type.
| Blood collection tube | Average duplicate %CV | |||||
|---|---|---|---|---|---|---|
| IFN-γ (%) | IL-10 (%) | IL-12p70 (%) | IL-17A (%) | IL-6 (%) | TNF-α (%) | |
| EDTA | 22 | 7 | 17 | 14 | 18 | 6 |
| Sodium citrate | 36 | 13 | 9 | 18 | 6 | 11 |
| Lithium heparin | 6 | 3 | 17 | 23 | 18 | 3 |
| Serum | 15 | 5 | 13 | 7 | 4 | 10 |
Average % coefficient of variation of the duplicate sample measurements is reported for each cytokine for each sample type.
CV: Coefficient of variation; EDTA: Ethylenediaminetetraacetic acid.