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

Table 3

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

Parameter	Moderate lipemia (TG: 700–1000 mg/dl)			Allowable bias (%)
	Native serum (%)	Serum blank (%)	Serum dilution (%)
ALT	+10			11.48
Albumin	+7	0	+34	1.43
ALP	0			6.72
Amylase	+7			7.4
AST	0			6.54
Bilirubin (total)	0			8.95
Calcium	+32	+20	+34	0.82
Chloride	+35	+6	+33	0.5
CPK	−13	−11	−24	11.5
Creatinine	−7	0	−34	3.96
GGT	−30	−2	+144	11.6
Glucose	+16	0	+33	2.34
Iron	+11	+26	+41	8.8
LDH	+2			4.3
Lipase	+42	−20	+177	11.31
Magnesium	+146	+92	+123	1.8
Phosphorus	+106	+103	+128	3.38
Total protein	+26	−8	+32	1.36
TIBC	+13	+16	+34	1.3
Urea	−6	−6	−21	5.57
Uric acid	+2			4.87

Difference with ultracentrifuged serum, calculated as bias.