Table 2. . Accuracy and precision of LB-100 and endothall at the lower limit in six individual lots of human plasma matrices.

Analyte	Plasma matrix	Nominal concentration (ng/ml)	Mean measured (ng/ml)	SD (ng/ml)	Precision† (%CV)	Accuracy‡ (%RE)
LB-100	Lot 1	2.50	2.36	0.19	8	-6
	Lot 2	2.50	2.58	0.34	13	3
	Lot 3	2.50	2.25	0.29	13	-10
	Lot 4	2.50	2.33	0.12	5	-7
	Lot 5	2.50	2.35	0.15	6	-6
	Lot 6	2.50	2.23	0.14	6	-11
Endothall	Lot 1	2.50	2.53	0.14	6	1
	Lot 2	2.50	2.39	0.33	14	-4
	Lot 3	2.50	2.51	0.32	13	1
	Lot 4	2.50	2.35	0.21	9	-6
	Lot 5	2.50	2.49	0.13	5	-1
	Lot 6	2.50	2.40	0.15	6	-4

^†%CV = (SD/mean) × 100%

^‡%RE = [(measured – nominal)/nominal] × 100%

CV: Coefficient of variation; RE: Relative error; SD: Standard deviation.