Table 1.
Participating centers and methods for creatinine measurement. Abbreviations are composed of method type (*E = enzymatic test; J = assay based on the Jaffé principle); center number (1–4) and manufacturer (R= Roche Diagnostics, S= Siemens Healthcare Diagnostics. A= Abbott Diagnostics). REF = Reference Measurement Procedure (RMP).
| Abbr. | Method* | Center | Manufacturer | Name of the test (Analyzer) |
|---|---|---|---|---|
| E1R | E | 1 | Roche Diagnostics, Mannheim, Germany | Creatinine Plus Ver. 2 (Cobas® 6000 and 8000 analyzer) |
| J1R | J | 1 | Roche Diagnostics, Mannheim, Germany | Creatinine Jaffé Gen. 2 (Cobas® 6000 and 8000 analyzers) |
| E2W | E | 2 | Wako Chemicals, Neuss, Germany | Creatinine M L-Type (Wako System Calibrator, Modular® analyzer) |
| E2R | E | 2 | Roche Diagnostics, Mannheim, Germany | Creatinine Plus Ver. 2 (Modular® analyzer) |
| J2R | J | 2 | Roche Diagnostics, Mannheim, Germany | Creatinine Jaffé Gen. 2 (Modular® analyzer) |
| E3S | E | 3 | Siemens Healthcare Diagnostics Inc. | ECREA (Dimension Vista® System) |
| Newark, DE, USA | ||||
| J3S | J | 3 | Siemens Healthcare Diagnostics Inc. | CREA (Dimension Vista® System) |
| Newark, SE, USA | ||||
| E4A | E | 4 | Abbott Laboratories | MULTIGENT Creatinine (Enzymatic) Assay (ARCHITECT® c System) |
| Chicago, IL, USA | ||||
| J4A | J | 4 | Abbott Laboratories | Creatinine Assay (ARCHITECT® c System) |
| Chicago, IL, USA | ||||
| REF | R | 5 | Calibration Laboratory I of the Reference Institute of Bioanalytics, Bonn, Germany | Mass Spectrometry Isotope Dilution Analysis |