Table 4 Accuracies calculated for each laboratory based on 3-HPMA fortified samples at 400 ng/ml (samples 2), 1200 ng/ml (samples 3), and 3600 ng/ml (samples 4)
| Â | Accuracies (%) | |||
|---|---|---|---|---|
Fortified sample (ng/ml) | Lab1 | Lab2 | Lab3 | Lab4 |
400 ng/ml | 108 | 119 | 99 | 101 |
1200 ng/ml | 102 | 110 | 97 | 92 |
3600 ng/ml | 100 | 107 | 95 | 90 |