TABLE 1.

Precision data for cholesterol levels of assayed sera

		Cholesterol Concentrations
		Between Assay (n = 10)			Within Assay (n = 10)
	Lipoproteins	Mean (mmol/l)	SD (mmol/l)	CV (%)	Mean (mmol/l)	SD (mmol/l)	CV (%)
Subject 5	HDL	2.07	0.012	0.57	2.08	0.006	0.29
	LDL	2.88	0.038	1.31	2.90	0.018	0.64
	IDL	0.33	0.019	5.77	0.31	0.011	3.47
	VLDL	0.14	0.004	2.87	0.14	0.002	1.42
	Chylomicrons	0.00	—	—	0.00	—	—
	Lp(a)	0.02	0.002	8.85	0.02	0.001	6.40
	Total	5.45	0.032	0.59	5.45	0.012	0.22
Subject 6	HDL	2.82	0.122	4.32	2.87	0.022	0.75
	LDL	4.90	0.194	3.96	4.93	0.061	1.24
	IDL	0.44	0.053	11.99	0.51	0.021	4.11
	VLDL	0.22	0.021	9.73	0.23	0.028	11.86
	Chylomicrons	0.03	0.003	9.68	0.03	0.002	8.25
	Lp(a)	0.60	0.027	4.38	0.62	0.009	1.50
	Total	9.02	0.361	4.00	9.20	0.106	1.16