Table 2.

Accuracy and precision results

Analyte	Nominal concentration (pg/mL)		Accuracy				Precision
			Day 1 RE (%)	Day 2 RE (%)	Day 3 RE (%)	Between-run RE (%)	Within-run CV (%)	Between-run CV (%)
Kallidin	QC high	750.0	1.1	−1.5	−2.1	−0.8	3.1	3.2
	QC mid	125.0	−0.9	−4.6	−1.6	−2.4	3.3	3.6
	QC low	7.8	−8.0	−8.5	−11.1	−9.2	8.9	8.9
	LLOQ	3.9	−14.6	−9.0	−12.7	−12.1	10.9	10.9
Bradykinin	QC high	750.0	1.9	−1.5	−1.9	−0.5	3.4	3.7
	QC mid	125.0	−7.0	−0.2	−3.1	−3.4	2.0	3.9
	QC low	3.9	13.2	2.4	−5.4	3.4	10.5	13.0
	LLOQ	2.0	8.0	−4.4	−9.0	−1.8	15.2	16.3
Des-Arg(10)-kallidin	QC high	750.0	2.2	1.9	1.4	1.8	3.0	3.0
	QC mid	125.0	−5.7	0.8	2.8	−0.7	2.7	5.1
	QC low	3.9	2.7	−11.6	9.7	0.3	11.2	14.7
	LLOQ	2.0	5.4	−5.7	3.8	1.2	18.4	18.4
Des-Arg(9)-bradykinin	QC high	750.0	2.7	−4.5	−0.5	−0.8	2.5	4.3
	QC mid	125.0	3.2	−5.6	5.5	1.1	2.4	6.2
	QC low	3.9	1.6	14.5	−5.9	3.4	7.7	12.1
	LLOQ	2.0	−1.6	11.9	−17.1	−2.3	14.7	19.8
Bradykinin 2-9	QC high	750.0	4.7	−0.3	−0.2	1.4	2.3	3.5
	QC mid	125.0	2.4	−4.3	6.5	1.5	4.8	6.9
	QC low	15.6	13.8	−0.2	9.9	7.8	9.8	11.0
	LLOQ	7.8	13.5	−3.9	−4.2	1.8	15.4	17.0
Bradykinin 1-7	QC high	750.0	1.1	1.9	−1.9	0.4	2.3	2.8
	QC mid	125.0	−1.6	−1.6	0.2	−1.0	3.0	3.0
	QC low	3.9	−4.5	−2.7	−6.5	−4.6	7.5	7.5
	LLOQ	1.9	−4.5	−3.5	−16.9	−8.3	13.6	14.6
Bradykinin 1-5	QC high	750.0	−2.9	−1.0	−5.2	−3.0	2.7	3.2
	QC mid	125.0	0.1	−4.4	−0.4	−1.6	5.3	5.4
	QC low	31.1	9.5	−5.7	−4.6	−0.2	12.3	13.9
	LLOQ	15.6	−6.8	1.9	−8.6	−4.5	11.9	12.2

CV coefficient of variation, LLOQ lower limit of quantification, QC quality control, RE relative error