Table 1. Intra- and inter-day precision of the cholesterol determination.

The relative standard deviation (RSD) at five concentration levels of the cholesterol standard is shown.

Concentration level (ng/μL)	Intra-day RSD (n = 3)	Inter-day RSD (n = 3)
62.5	2.3%	3.6%
125	1.4%	2.3%
250	0.4%	2.1%
500	4.9%	2.5%
1000	4.2%	4.1%