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Table 1 Performed tests, methods and analytical details

From: Consecutive reference intervals for biochemical indices related to serum lipid levels and renal function during normal pregnancy

Analyte (abbreviation)

Method

CV%

Traceability

Total cholesterol (TC)

Cholesterol oxidase

0.91

NIST 911

Triglycerides (TG)

Dissociated glycerine

1.01

NIST Glyceryl trioleate

Low density lipoprotein cholesterol (LDL-C)

Selective solubility

3.72

NIST 911

High density lipoprotein cholesterol (HDL-C)

PEG modified enzyme

1.34

NIST 911

Apolipoprotein A1 (Apo-A1)

Immune transmission turbidimetry

1.11

WHO SP1-01

Apolipoprotein B (Apo-B)

Immune transmission turbidimetry

1.44

WHO SP3-07

Urea

Urease colorimetry

1.65

NIST SRM 912

Creatinine (Crea)

Enzymatic method

0.89

NIST SRM 914a

Cystatin C (Cys-C)

Latex immunoturbidimetry

2.99

GBW(E) 090,437

Uric acid (UA)

Uricase colorimetry

0.77

NIST SRM 913

  1. The total analytical imprecision for the experimental method used to calculate the reference intervals is given for each assay as an averagevariation coefficient (CV%) of two concentrations of internal controls through one year. Samples with preanalytic handling time longer than the stabilityin the blood (in days) at room temperature were removed from the calculations