Table 4 Summary statistics of IQC performance during method comparison
Peptide | QC1 | QC2 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Average concentration (nmol/L) | CV(%) | n | Target concentration (nmol/L) | Target CV(%) | Average concentration (nmol/L) | CV(%) | n | Target concentration (nmol/L) | Target CV(%) | |
Reference Measurement Procedure | ||||||||||
LFLEP | 41 | 5.2 | 6 | 44 | 8.9 | 7 | 6.9 | 5 | 8 | 7.7 |
GISST | 43 | 7.5 | 6 | 43 | 9.0 | 8 | 17.7 | 5 | 8 | 19.8 |
TPENY | 38 | 8.2 | 6 | 41 | 13.4 | 8 | 5.5 | 5 | 8 | 23.3 |
Designated Comparison Method | ||||||||||
LFLEP | 40 | 5.2 | 21 | 41 | 11.4 | 8 | 3.3 | 21 | 7 | 18.4 |
GISST | 40 | 7.5 | 21 | 40 | 5.9 | 7 | 3.5 | 21 | 7 | 10.9 |