Table 3.
WS conversion factors (U/mL to U/mL) between different devices. In brackets the conversion factors between different devices (U/mL to U/mL) obtained from the corresponding manufacturer’s suggested WHO-IS U/mL to BAU/mL conversion factors.
| To |
||||||
|---|---|---|---|---|---|---|
| From | Roche | Diasorin S1/S2 | Diasorin Trimerics | Siemens | Diesse | Euroimmun |
| Roche | 1 | 0.18 | 0.19 (0.38) | 0.013 (0.046) | 0.86 (1) | 0.38 (1) |
| Diasorin S1/S2a | 5.60 | 1 | 1.08 | 0.075 | 4.8 | 2.15 |
| Diasorin Trimerics | 5.2 (2.6) | 0.92 | 1 | 0.069 (0.12) | 4.4 (2.6) | 1.98 (2.6) |
| Siemens | 74.7 (21.8) | 13.3 | 14.47 (8.4) | 1 | 64.6 (21.8) | 28.71 (21.8) |
| Diesse | 1.1 (1) | 0.21 | 0.23 (0.38) | 0.016 (0.046) | 1 | 0.45 (1) |
| Euroimmun | 2.6 (1) | 0.46 | 0.50 (0.38) | 0.03 (0.046) | 2.2 (1) | 1 |
a
No U/mL to BAU/mL conversion factor was available for Diasorin S1/S2