Table 2.
EQA Schemes and methods for Lp(a) measurement registered in the UK.
| Scheme | Method | No of UK labs | Units |
|---|---|---|---|
| WEQAS | Abbott alinity | 1 | g/L |
| Roche cobasa | 3 | g/L | |
| NEQAS | Randox reagentsa | 7 | mg/L |
| Roche cobasa | 5 | nmol/L | |
| Roche cobasa | 1 | mg/L | |
| Beckman (Olympus) | 1 | mg/L | |
| Abbott architect | 3 | mg/L | |
| RIQASb | Randoxa | 6 | mg/dL |
| Roche cobasa | 1 | mg/dL | |
| Abbott | 1 | mg/L | |
| Total | 29 |
Note: Data kindly provided by WEQAS, NEQAS and RIQAS.
aDenka reagents but calibration protocol not disclosed.
bResults reported by labs in mg/dL and then converted to nmol/L to calculate the consensus mean (mg/dL multiplied by 2.27 to convert to nmol/L for all methods).