Table. 1.
Precision of cobas e801 for PSA (μg/L) measured at four levels
| Analyte | Level | Type | Mean | SD | Coefficient of variation (%) | |
|---|---|---|---|---|---|---|
| Repeatability | Within-laboratory | |||||
| PSA (μg/L) | Lowest | Pooled serum | 0.50 | 0.01 | 2.68 | 1.57 |
| Low | QC1 | 0.79 | 0.02 | 2.41 | 1.56 | |
| Middle | QC2 | 3.44 | 0.07 | 2.13 | 1.34 | |
| High | QC3 | 19.48 | 0.40 | 2.04 | 1.52 | |
Abbreviations: SD, standard deviation; QC, quality control material.
Lab Med Online 2023;13:182~188 https://doi.org/10.47429/lmo.2023.13.3.182
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