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KMID : 1100720130330030184
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Annals of Laboratory Medicine
2013 Volume.33 No. 3 p.184 ~ p.189
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Performance Evaluation of the OraQuick Hepatitis C Virus Rapid Antibody Test
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Cha Young-Joo
Park Qu-Ehn
Kang Eun-Suk
Yoo Byung-Chul
Park Kyoung-Un
Kim Jin-Wook
Hwang Yoo-Sung
Kim Myung-Hee
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Abstract
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Background: A reliable rapid assay for hepatitis C virus (HCV) may be helpful in various clinical settings. We evaluated the performance of the OraQuick HCV Rapid Antibody Test (OraSure Technologies Inc., Bethlehem, PA, USA).
Methods: Clinical sensitivity and specificity were evaluated with oral fluids and sera from 137 patients diagnosed with hepatitis C and 300 healthy blood donors in a multi-center collaborative study. The stored sera of 200 proven HCV-infected patients and 200 healthy subjects were also evaluated. Analytical sensitivity was estimated with 4 commercial seroconversion panels and 7 Korean reference panels. The performance of 4 laboratory-based tests (3 chemiluminescence assays and 1 enzyme immunoassay) and 4 rapid test kits was compared. We also assessed the interference due to bilirubin, hemoglobin, lipid, rheumatoid factor, multipara, and several viral infections.
Results: The clinical sensitivity and specificity of the OraQuick HCV test using oral fluid were 97.8% (95% confidence interval [CI], 93.2-99.4%) and 100% (95% CI, 98.4-100%), respectively. The clinical sensitivity using serum samples was 100%. Using the 4 seroconversion panels, the OraQuick HCV test showed results comparable to those of the laboratory- based assays; its analytical sensitivity was higher than that of the other rapid test kits. There was no cross-reactivity with common interfering factors.
Conclusions: The clinical performance of the OraQuick HCV Test is comparable to that of laboratory-based tests with both serum and oral fluid. This supports the supplementary use of rapid HCV testing using oral fluid in various medical and non-medical settings.
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KEYWORD
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Hepatitis C virus, Rapid test, Performance evaluation, Clinical sensitivity, Clinical specificity, Oral fluid
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