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Assessment of the precision and accuracy of assay methods that used either patient cerebrospinal fluid as a control for NFL or commercial controls for pNFH
| Methods | Mean | SD | CV (%) (95% CI) | CVd a (%) | Bias (%) |
|---|---|---|---|---|---|
| NFL (ng·L−1) | 305.3 | 19.25 | 6.31 (4.26‐9.32) | <9.0 | — |
| pNFH–level 1 (ng·L−1) | 273.9 | 23.03 | 8.41 (5.91‐12.16) | 6.6 | −8.69 |
| pNFH–level 2 (ng·L−1) | 1051.1 | 70.03 | 6.66 (5.36‐8.31) | 4.4 | 16.79 |
The declared value from the manufacturer.
