Table 1 Characteristics of prothrombin time test reagents used in the study
No | Brand name | Manufacturer | Laboratory | ISI | Thromboplastin | Phospholipid |
|---|---|---|---|---|---|---|
1 | HemosIL Recombi PlasTin 2G | Instrumental Laboratories | University of Tokyo Hospital | 1.01 | Recombinant human tissue factor | Synthetic phospholipid |
2 | Neoplastin plus | Roche Diagnostics | Roche Diagnostics | 1.33 | Rabbit brain | Confidential |
3 | STA Neoplastin R | Roche Diagnostics | Roche Diagnostics | 0.96 | Recombinant human tissue factor | Confidential |
4 | Dade Innovin | Dade Behring (Sysmex) | Sysmex | 1.0 | Recombinant human tissue factor | No data |
5 | Thromborel S | Dade Behring (Sysmex) | Sysmex | 1.0 | Human placenta | No data |
6 | Thrombocheck PT | Sysmex | Sysmex | 1.6 | Rabbit brain | No data |
7 | Simplastin Excel S | BioMerieux | Kyowa Medex | 1.22 | Rabbit brain | No PG |
8 | Simplastin HTF | BioMerieux | Kyowa Medex | 1.26 | Cultured human lung cell | No PG |
9 | Coagupia PT–N | Sekisui Medical | Sekisui Medical | 1.09 | Rabbit brain | Confidential |