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Intra‐day and inter‐day precision and accuracy of OXY determinations
| OXY spiked conc. (ng/ml) | Found C (ng/ml) | Intra‐day (n = 5) | Inter‐day (n = 5) | ||
|---|---|---|---|---|---|
| RSD (%) | RE (%) | RSD (%) | RE (%) | ||
| 80 | 79.5 ± 3.2 | 7.0 | −2.7 | 4.1 | −0.7 |
| 20 | 20.1 ± 0.6 | 4.2 | 1.7 | 2.8 | 0.4 |
| 4.0 | 4.0 ± 0.3 | 2.9 | 9.7 | 7.6 | 0.04 |
| 2.0 | 1.9 ± 0.08 | 4.3 | −6.8 | 3.9 | −3.9 |
Note: Found C is the measured concentration of OXY in spiked plasma. Abbreviations: RSD: relative standard deviation; RE: relative error. Data of Found C represent mean ± SD.
