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All values represent the mean of three independent samples ± SD.
| Concentration of TAFC spiked into QC standards, or spiked into serum ng/ml | Measured TAFC in QC standards ng/ml (%RSD) | Recovery of TAFC from serum % (%RSD) |
|---|---|---|
| 0 | Not detected | Not applicable |
| 5 | 4.6 ± 0.2 (-8.7) | 117.1 ± 9.7 (3.4) |
| 100 | 111.1 ± 2.4 (11.1) | 119.6 ± 17.5 (2.2) |
| 750 | 747.2 ± 39.6 (-0.4) | 120.6 ± 6.0 (5.3) |
