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Influence of hematocrit value on precision and accuracy of the assay of PPR (1000 ng/mL).
| Parameters | Hematocrit (%) |
||
|---|---|---|---|
| 20 | 35 | 50 | |
| Mean concentration (ng/mL) | 975.21 | 984.37 | 992.07 |
| SD | 8.35 | 6.54 | 4.51 |
| Precision (RSD, %) | 0.85 | 0.66 | 0.45 |
| Accuracy (RE, %) | 2.47 | 1.56 | 0.79 |
| Percent difference from 35% Hct | −0.91 | 0 | 0.77 |
