Journal of Laboratory Medicine and Quality Assurance

Indexed in /covered by CAS, KoreaScience & DOI/Crossref:eISSN 2288-7261   pISSN 2384-2458

Table. 3.

Table. 3.

Average percent bias change of participants of the accuracy-based lipids external quality assurance program based on the Korea External Quality Assessment Scheme from 2016 to 2018 for total cholesterol, direct HDL cholesterol, and direct LDL cholesterol

Year-roundPoolTotal cholesterolHDL cholesterolLDL cholesterol



Target valueAverage of all participantsAverage bias (%)Target valueAverage of all participantsAverage bias (%)Target valueAverage of all participantsAverage bias (%)
2016-1stCAL-16-01189.1189.60.2649.648.9-1.41111.8119.97.25
2016-1stCAL-16-02175.6175.80.1161.962.71.2997.599.21.74
2016-1stCAL-16-03227227.60.264747.20.43146.2153.75.13
2016-2ndCAL-16-04212.5213.90.6658.9590.17134.9137.62.00
2016-2ndCAL-16-05191.5191.60.054948.9-0.20121.1123.51.98
2016-2ndCAL-16-06152.41530.3938.336.2-5.4885.292.48.45
2017-1stCAL-17-01185.3186.20.4970.770.4-0.4298.8100.41.62
2017-1stCAL-17-02164.6164.4-0.1255.355.80.9088.592.74.75
2017-1stCAL-17-03178.6184.53.304342.8-0.4787.299.113.65
2017-2ndCAL-17-04184.3185.30.5450.749.2-2.96102.2107.55.19
2017-2ndCAL-17-05211.6213.20.765251.6-0.77129.7133.22.70
2017-2ndCAL-17-06229.3230.60.5743.243.20.00147.1154.65.10
2018-1stCAL-18-016160.4-0.982322.9-0.4332.530.4-6.46
2018-1stCAL-18-02226222.8-1.425453.4-1.11130134.63.54
2018-1stCAL-18-03160157.9-1.314242.71.679997-2.02
2018-2ndCAL-18-04140.8139.8-0.7141.240.4-1.9483.183.10.00
2018-2ndCAL-18-05201.4200.8-0.3056.255.7-0.89118.6120.21.35
2018-2ndCAL-18-06241.2240.9-0.1264.565.71.86164.7158.4-3.83
Average0.14-0.542.90

NCEP inaccuracy performance criteria for total cholesterol, HDL cholesterol, and LDL cholesterol are ±3%, ±5%, and ±4%, respectively [10]. Bold type signifies all cells which exceeded NCEP inaccuracy performance criteria for each test item.

Abbreviations: HDL, high-density lipoprotein; LDL, low-density lipoprotein; NCEP, National Cholesterol Education Program.

J Lab Med Qual Assur 2019;41:121-9 https://doi.org/10.15263/jlmqa.2019.41.3.121
© 2019 J Lab Med Qual Assur