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. 2025 Jul 1;15:21521. doi: 10.1038/s41598-025-05780-w

Table 4.

Precision and accuracy results in whole blood.

Analyte QC ID Nominal Conc. (nM) Intra-batch (first batch) Inter-batch
n Mean Calculated conc. (nM) Accuracy (%) CV (%) n Mean Calculated conc. (nM) Accuracy (%) CV (%)
PPIX LLOQ QC 10.0 5 10.9 108.9 10.4 15 11.0 110.0 6.2
LQC 30.0 5 31.2 104.1 3.1 15 31.6 105.3 3.8
MQC 62.9 5 59.9 95.2 2.4 15 64.4 102.4 5.8
HMQC 624 5 592 94.9 1.9 15 625 100.1 4.4
HQC 1520 5 1440 94.8 2.2 15 1550 101.9 6.5