Table 3. Bias for the analytes tested.
| Analytes | Reagent manufacturer | Target value* | Meanref† | Bias (%) |
|---|---|---|---|---|
|
ALT (U/L) |
Abbott | 72 | 75 | 4.06 |
| Leadman | 72 | 0.22 | ||
| Mindray | 75 | 4.64 | ||
| Zybio | 81 | 12.50 | ||
|
AST (U/L) |
Abbott | 157 | 165 | 5.01 |
| Leadman | 156 | 0.85 | ||
| Mindray | 153 | 2.73 | ||
| Zybio | 167 | 6.11 | ||
|
urea (mmol/L) |
Abbott | 4.6 | 4.6 | 2.19 |
| Leadman | 4.3 | 6.65 | ||
| Mindray | 5.0 | 8.32 | ||
| Zybio | 4.9 | 8.01 | ||
|
UA (μmol/L) |
Abbott | 341 | 338 | 0.97 |
| Leadman | 341 | 0.03 | ||
| Mindray | 340 | 0.26 | ||
| ALT – alanine aminotransferase. AST – aspartate aminotransferase. UA – uric acid. *The given value of reference material (RM). †The average of results, which were measured with the commercial reference material five times. | ||||