Prediction accuracy and contrast of three dichotomous cholesterol measures

This study assessed the prediction accuracy of dichotomous cholesterol measures--capillary total cholesterol (CTC), venous total cholesterol (VTC) and venous risk ratio cholesterol (VRR)--for employees of Texas A&M University (n=270). The CTC sample was obtained via the index finger in a collect...

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Bibliographic Details
Published in:Journal of Health Education 1999-10, Vol.30 (5), p.284-289
Main Authors: Bowden, R. G, Kingery, P.M, Brizzolara, J.A
Format: Article
Language:English
Subjects:
accuracy
cholesterol
cholesterol measurement
correlation
measurement
measurement precision
screening
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Summary:This study assessed the prediction accuracy of dichotomous cholesterol measures--capillary total cholesterol (CTC), venous total cholesterol (VTC) and venous risk ratio cholesterol (VRR)--for employees of Texas A&M University (n=270). The CTC sample was obtained via the index finger in a collection tube and pipetted onto a reagent strip. CTC was analyzed using the Reflotron. The VTC and VRR (the gold standard of cholesterol measurement) were collected using an arm stick in the antecubital vein and sent to a local lab for analysis. VRR was the most sensitive of the three, with VTC having the highest correlation with VRR. Screenings differentially drew older, higher salaried, more educated employees, particulary white males. Descriptive results found differences between participants who scored low (less than 200 mg/dL or risk factor of below 3.5) or high (200 mg/dL or higher, or risk factor of 3.5 and above) on CTC, VTC, and VRR. Two Pearson correlations revealed both CTC/VTC to be highly correlated (.87 and .94, respectively) with VRR measurement.
ISSN:1055-6699
1932-5037
2374-9083
DOI:10.1080/10556699.1999.10603411