Table 1.

Combinations of albumin and bilirubin concentrations in manufactured EQA samples

Sample	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
Albumin (g/L)	0	0	0	0	0	10	10	10	10	10	10	15	20	20	20	20	20	20	25	30
Bilirubin (μmol/L)	0	100	200	300	400	0	100	200	300	400	500	0	0	100	200	300	400	500	0	0

17.1 μmol/L = 1 mg/dL bilirubin