Lipemia Interferences in Biochemical Tests, Investigating the Efficacy of Different Removal Methods in comparison with Ultracentrifugation as the Gold Standard

Table 2

Comparison of the results of native serum, serum blank, and diluted serum with ultracentrifuged serum.

Parameter	Mild lipemia (TG: 400–700 mg/dl)			Allowable bias (%)
	Native serum (%)	Serum blank (%)	Diluted serum (%)
ALT	+1			11.48
Albumin	+1			1.43
ALP	0			6.72
Amylase	+7			7.4
AST	0			6.54
Bilirubin (total)	+6			8.95
Calcium	+14	+19	+26	0.82
Chloride	+17	+2	+21	0.5
CPK	−9			11.5
Creatinine	0			3.96
GGT	−2			11.6
Glucose	+7	+1	+26	2.34
Iron	+23	+13	+48	8.8
LDH	+4			4.3
Lipase	−5			11.31
Magnesium	+80	+80	+100	1.8
Phosphorus	+54	+54	+69	3.38
Total protein	+6	−18	+15	1.36
TIBC	+2	+3	+24	1.3
Urea	−8	−10	−21	5.57
Uric acid	0			4.87

Difference with ultracentrifuged serum, calculated as bias.