Peer group coefficients of variation (%) based on the tests and trials in the general chemistry program (2021)
| Test | Trials | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CC-21-01 | CC-21-02 | CC-21-03 | CC-21-04 | CC-21-05 | CC-21-06 | CC-21-07 | CC-21-08 | CC-21-09 | CC-21-10 | CC-21-11 | CC-21-12 | |
| Alanine aminotransferase | 8.4 | 8.2 | 8.7 | 7.3 | 6.0 | 7.6 | 7.7 | 6.1 | 7.2 | 7.9 | 7.6 | 9.1 |
| Albumin | 5.2 | 5.2 | 5.5 | 4.7 | 5.0 | 4.7 | 4.8 | 4.8 | 4.9 | 5.3 | 5.5 | 5.8 |
| Alkaline phosphatase | 57.1 | 38.2 | 35.6 | 41.2 | 32.8 | 41.6 | 43.5 | 34.4 | 40.5 | 34.9 | 37.2 | 57.9 |
| Amylase | 14.2 | 18.2 | 20.1 | 12.2 | 19.3 | 12.2 | 12.0 | 18.9 | 12.0 | 20.6 | 19.4 | 13.3 |
| Aspartate aminotransferase | 6.8 | 5.5 | 5.4 | 6.0 | 5.3 | 6.4 | 6.2 | 5.3 | 6.2 | 5.6 | 5.8 | 6.2 |
| Bilirubin, direct | 26.2 | 17.4 | 9.1 | 18.8 | 12.0 | 18.8 | 19.1 | 16.4 | 17.6 | 9.7 | 16.5 | 25.6 |
| Bilirubin, total | 9.3 | 9.7 | 8.2 | 9.7 | 5.8 | 12.2 | 10.1 | 5.5 | 11.8 | 8.7 | 10.3 | 9.9 |
| Calcium | 4.6 | 2.8 | 2.3 | 4.0 | 2.6 | 4.0 | 3.9 | 2.8 | 4.3 | 2.3 | 3.0 | 4.6 |
| Chloride | 2.5 | 3.3 | 4.8 | 2.5 | 2.9 | 2.6 | 2.3 | 2.8 | 2.4 | 4.9 | 3.9 | 2.9 |
| Cholesterol, total | 3.1 | 3.7 | 6.4 | 2.3 | 3.9 | 2.5 | 2.4 | 4.0 | 2.4 | 6.7 | 3.4 | 2.5 |
| Creatine kinase | 4.1 | 5.2 | 5.7 | 3.5 | 4.4 | 3.2 | 3.5 | 4.3 | 2.8 | 5.7 | 4.9 | 3.8 |
| Gamma-glutamyl transpeptidase | 6.8 | 6.5 | 6.2 | 7.0 | 6.4 | 6.4 | 6.2 | 5.7 | 6.5 | 5.9 | 6.1 | 6.7 |
| Glucose | 3.6 | 3.1 | 3.2 | 3.4 | 2.8 | 3.5 | 3.5 | 2.8 | 3.5 | 3.0 | 3.0 | 3.2 |
| High-density lipoprotein cholesterol | 20.3 | 18.6 | 13.9 | 13.0 | 11.8 | 15.6 | 15.9 | 12.3 | 17.1 | 13.6 | 15.7 | 17.5 |
| Iron | 2.8 | 3.0 | 4.4 | 3.1 | 3.9 | 3.3 | 3.1 | 3.8 | 3.3 | 4.3 | 2.7 | 2.7 |
| Lactate dehydrogenase | 36.6 | 43.2 | 44.5 | 39.2 | 44.3 | 38.2 | 5.1 | 5.2 | 4.6 | 5.5 | 5.7 | 5.6 |
| Lipase | 6.1 | 14.8 | 20.1 | 7.4 | 14.1 | 6.7 | 7.3 | 13.4 | 7.7 | 18.9 | 13.8 | 6.3 |
| Low-density lipoprotein cholesterol | 16.4 | 12.9 | 10.7 | 8.1 | 5.7 | 8.1 | 9.5 | 6.3 | 8.5 | 9.0 | 14.4 | 20.0 |
| Magnesium | 6.1 | 2.9 | 2.2 | 3.5 | 2.5 | 3.3 | 3.5 | 2.0 | 0.0 | 2.1 | 4.0 | 6.5 |
| Osmolality | 0.9 | 0.8 | 0.7 | 1.1 | 1.0 | 1.4 | 1.2 | 1.0 | 1.1 | 0.7 | 0.8 | 0.9 |
| Phosphorus | 4.5 | 3.1 | 3.0 | 2.4 | 2.8 | 3.4 | 3.4 | 2.7 | 2.3 | 2.4 | 3.1 | 3.1 |
| Potassium | 2.7 | 1.7 | 2.2 | 2.0 | 1.6 | 2.0 | 1.9 | 1.6 | 2.0 | 2.3 | 1.7 | 2.7 |
| Protein, total | 2.9 | 2.7 | 3.2 | 3.0 | 3.4 | 3.1 | 3.2 | 3.5 | 3.3 | 3.0 | 2.7 | 2.8 |
| Sodium | 1.4 | 1.7 | 2.8 | 1.2 | 1.4 | 1.4 | 1.3 | 1.2 | 1.3 | 2.9 | 1.7 | 1.1 |
| Total CO2 | 6.8 | 6.7 | 6.7 | 7.0 | 6.0 | 6.9 | 7.2 | 5.8 | 7.7 | 7.1 | 6.1 | 5.9 |
| Total iron-binding capacity | 2.4 | 2.4 | 4.0 | 3.4 | 3.6 | 3.5 | 3.1 | 3.3 | 3.7 | 3.1 | 1.9 | 1.5 |
| Triglyceride | 43.6 | 42.7 | 42.2 | 3.5 | 5.1 | 3.7 | 3.9 | 5.6 | 3.6 | 50.1 | 48.9 | 48.0 |
| Urea nitrogen | 3.9 | 3.4 | 3.5 | 4.9 | 4.0 | 4.7 | 4.9 | 4.0 | 5.0 | 3.4 | 3.1 | 3.9 |
| Uric acid | 4.9 | 3.4 | 3.1 | 3.3 | 3.2 | 3.3 | 3.3 | 3.1 | 2.0 | 2.9 | 3.6 | 4.3 |