Table 1. In-batch precision and total precision of Mindray’s fully automated chemiluminescent immunoassay system.

Sample	Mean $\overline{X}$ (ng/mL)	Within-day precision SD	Within-batch precision			Total precision
			SD	CV (%)		SD	CV (%)
Level 1	0.50	0.013	0.010	2.07		0.015	3.05
Level 2	9.42	0.158	0.079	0.83		0.171	1.81

SD, standard deviation; CV, coefficient of variation.