title: Performance of the CardioChek PA and Cholestech LDX point-of-care analysers compared to clinical diagnostic laboratory methods for the measurement of lipids.
abstract: Point-of-care (POC) blood testing is intended to provide results more rapidly than can be obtained from a central laboratory. Precision and accuracy of the CardioChek PA and Cholestech LDX analysers were compared to clinical diagnostic laboratory methods. In 100 patients, total cholesterol (TC), triglycerides (TG), HDL cholesterol (HDL-C) and LDL cholesterol (LDL-C) levels were measured by both analysers and compared to those analysed by the National Health Laboratory Service (NHLS) laboratory. Data were evaluated for conformance with National Cholesterol Education Program (NCEP) guidelines. Results were grouped into low, middle and high ranges and were similar to those obtained by the NHLS, except in the high range where TC and LDL-C levels were under-read by both analysers. All analytes measured by both analysers correlated significantly with NHLS (p < 0.0001). With the exception of LDL-C, both analysers showed reasonable compliance with NCEP goals for coefficients of variation and bias measurements. Both analysers met NCEP guidelines for all analytes at two clinical cut-off points. We concluded that, compared to NHLS methods, performance of the CardioChek PA and Cholestech LDX analysers is acceptable and that they offer healthcare professionals a rapid, POC method for the measurement of lipids.
authors.affiliation: Carbohydrate and Lipid Metabolism Research Unit, Department of Medicine, University of the Witwatersrand, Johannesburg, South Africa.
authors.forename: V R
authors.initials: VR
authors.lastname: Panz
authors.forename: F J
authors.initials: FJ
authors.lastname: Raal
authors.forename: J
authors.initials: J
authors.lastname: Paiker
authors.forename: R
authors.initials: R
authors.lastname: Immelman
authors.forename: H
authors.initials: H
authors.lastname: Miles
mesh_terms: D015415:Biomarkers / Q000097:blood; D019411:Clinical Laboratory Techniques; D006403:Hematologic Tests / Q000379:methods*; D006801:Humans; D006938:Hyperlipoproteinemia Type II / Q000097:blood; D008055:Lipids / Q000097:blood*; D019095:Point-of-Care Systems; D012680:Sensitivity and Specificity
chemical_list: D015415:Biomarkers; D008055:Lipids