Table 2.

Precision and accuracy results in plasma.

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	1.00	5	1.00	100.0	3.3	15	0.965	96.5	4.9
	LQC	3.00	5	2.91	97.0	4.0	15	3.01	100.3	4.0
	MQC	60.0	5	56.3	93.8	0.9	15	59.7	99.4	4.4
	HMQC	600	5	568	94.7	1.5	15	613	102.2	5.7
	HQC	1500	5	1420	94.6	1.2	15	1520	101.3	5.0