Peer-group coefficients of variation (%) according to the test and trials of general chemistry in 2019
| Test | Trials | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CC-19-01 | CC-19-02 | CC-19-03 | CC-19-04 | CC-19-05 | CC-19-06 | CC-19-07 | CC-19-08 | CC-19-09 | CC-19-10 | CC-19-11 | CC-19-12 | |
| Alanine transaminase | 6.5 | 6.0 | 7.1 | 5.5 | 7.2 | 5.7 | 5.4 | 6.9 | 5.6 | 5.6 | 7.0 | 5.8 |
| Albumin | 4.8 | 5.4 | 5.1 | 5.5 | 4.9 | 5.4 | 5.3 | 5.2 | 5.5 | 5.3 | 5.2 | 5.4 |
| Alkaline phosphatase | 43.5 | 35.8 | 43.3 | 36.3 | 45.5 | 38.1 | 35.7 | 42.5 | 34.6 | 34.4 | 42.6 | 35.8 |
| Amylase | 12.6 | 18.4 | 12.5 | 17.5 | 12.8 | 18.0 | 18.6 | 12.4 | 18.7 | 18.2 | 12.4 | 18.3 |
| Aspartate aminotransferase | 5.5 | 4.1 | 5.2 | 4.3 | 5.3 | 4.3 | 4.2 | 5.8 | 4.2 | 4.6 | 5.0 | 4.6 |
| Bilirubin, direct | 20.1 | 16.3 | 20.5 | 17.4 | 17.3 | 17.1 | 11.4 | 18.0 | 15.1 | 15.5 | 18.7 | 17.2 |
| Bilirubin, total | 10.1 | 6.6 | 10.4 | 6.3 | 10.3 | 6.2 | 5.7 | 10.6 | 6.3 | 5.6 | 9.7 | 6.0 |
| Calcium | 3.9 | 2.9 | 4.0 | 2.8 | 4.2 | 2.9 | 2.7 | 4.2 | 2.9 | 2.6 | 4.2 | 2.5 |
| Chloride | 3.0 | 2.8 | 2.9 | 2.6 | 2.0 | 2.6 | 2.4 | 2.3 | 2.5 | 2.4 | 2.1 | 2.7 |
| Cholesterol, total | 3.1 | 4.7 | 3.1 | 4.6 | 2.9 | 4.9 | 4.5 | 3.0 | 4.6 | 4.4 | 2.8 | 4.6 |
| Creatine kinase | 3.2 | 4.2 | 3.3 | 4.1 | 3.6 | 4.2 | 3.9 | 2.7 | 4.0 | 4.1 | 3.2 | 4.1 |
| Creatinine | 13.6 | 7.2 | 12.1 | 7.3 | 11.9 | 7.3 | 7.4 | 12.0 | 7.2 | 6.9 | 17.1 | 6.7 |
| Gamma-glutamyl transferase | 7.7 | 7.6 | 7.5 | 7.9 | 7.5 | 7.8 | 7.8 | 7.6 | 7.7 | 7.8 | 7.6 | 7.4 |
| Glucose | 3.9 | 3.1 | 4.1 | 2.8 | 3.9 | 2.9 | 2.9 | 3.7 | 2.8 | 2.8 | 3.5 | 2.7 |
| High-density lipoprotein cholesterol | 11.3 | 12.2 | 11.4 | 12.7 | 12.1 | 12.6 | 12.5 | 12.9 | 12.1 | 12.0 | 12.3 | 12.0 |
| Iron | 3.3 | 4.1 | 3.4 | 3.4 | 3.3 | 3.7 | 3.6 | 3.3 | 3.8 | 3.9 | 3.2 | 4.1 |
| Lactate dehydrogenase | 36.9 | 40.7 | 37.1 | 41.6 | 37.2 | 41.7 | 41.5 | 37.5 | 41.4 | 41.4 | 37.6 | 41.5 |
| Lipase | 10.8 | 13.7 | 10.8 | 14.2 | 10.0 | 14.4 | 14.7 | 12.4 | 14.2 | 19.0 | 11.7 | 15.9 |
| Low-density lipoprotein cholesterol | 6.1 | 5.0 | 6.2 | 9.6 | 6.0 | 5.6 | 4.7 | 6.7 | 4.7 | 4.5 | 8.5 | 4.7 |
| Magnesium | 3.4 | 3.0 | 3.5 | 3.3 | 3.7 | 2.2 | 3.1 | 3.8 | 3.0 | 2.0 | 3.7 | 2.1 |
| Osmolality | 1.5 | 1.3 | 1.5 | 1.1 | 1.2 | 1.0 | 1.0 | 1.2 | 1.1 | 1.0 | 1.1 | 1.0 |
| Phosphorus | 3.5 | 2.8 | 2.3 | 2.5 | 2.2 | 2.3 | 2.3 | 2.5 | 2.4 | 2.4 | 2.3 | 2.8 |
| Potassium | 1.9 | 2.3 | 1.8 | 2.4 | 0.0 | 2.4 | 2.2 | 1.9 | 2.2 | 2.1 | 2.0 | 2.1 |
| Protein, total | 3.4 | 3.8 | 3.4 | 3.8 | 3.3 | 3.6 | 3.5 | 3.2 | 3.6 | 3.6 | 2.9 | 3.6 |
| Sodium | 1.2 | 1.3 | 1.4 | 1.3 | 1.2 | 1.2 | 1.3 | 1.4 | 1.3 | 1.3 | 1.4 | 1.3 |
| Total CO2 | 6.5 | 6.5 | 6.7 | 5.3 | 6.0 | 5.8 | 5.5 | 5.9 | 5.2 | 5.1 | 5.5 | 6.2 |
| Total iron-binding capacity | 3.5 | 3.2 | 3.6 | 3.0 | 3.6 | 3.1 | 3.1 | 3.3 | 3.2 | 3.2 | 3.3 | 3.6 |
| Triglyceride | 3.9 | 5.9 | 3.5 | 5.2 | 3.8 | 5.4 | 5.3 | 3.8 | 5.1 | 5.9 | 3.6 | 5.5 |
| Urea nitrogen | 4.8 | 4.2 | 4.9 | 4.1 | 4.8 | 4.5 | 4.7 | 5.0 | 4.4 | 4.2 | 4.7 | 4.4 |
| Uric acid | 3.5 | 3.6 | 3.4 | 3.7 | 3.4 | 3.6 | 3.5 | 3.3 | 3.4 | 3.3 | 3.4 | 3.1 |