2017
DOI: 10.1016/j.jcv.2017.03.019
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Performance evaluation of the FDA-approved Determine™ HIV-1/2 Ag/Ab Combo assay using plasma and whole blood specimens

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Cited by 22 publications
(12 citation statements)
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“…First, we only tested on serum samples, which may lend to more enriched concentrations of antibodies compared with capillary whole blood (as performed during self-testing). Test sensitivity reported in our study could have been inflated; however, this bias is more pertinent to small volume, lateral flow tests than for flow-through tests 9. Second, tests were performed by trained virologists.…”
Section: Discussionmentioning
confidence: 86%
“…First, we only tested on serum samples, which may lend to more enriched concentrations of antibodies compared with capillary whole blood (as performed during self-testing). Test sensitivity reported in our study could have been inflated; however, this bias is more pertinent to small volume, lateral flow tests than for flow-through tests 9. Second, tests were performed by trained virologists.…”
Section: Discussionmentioning
confidence: 86%
“…POC tests are attractive alternatives for many applications, but performance differs substantially depending on the specimen type; tests using oral transudate are significantly less sensitive than those using whole blood, and tests using whole blood are less sensitive than those using serum or plasma. 1114 This hierarchy is at least partially explained by the relative concentration of detectable target(s) per volume of specimen tested. Forty-five percent of whole blood is made up of cells, so additional processing to yield plasma or serum further concentrates antigens and antibodies per unit volume.…”
Section: What Influence Does Specimen Type Have On Testing?mentioning
confidence: 99%
“…17 Studies of a newer version of this same test suggest interim improvements, with antigen sensitivity as high as 88%. 14,18 Using plasma instead of whole blood enhances test performance, suggesting a role for this test in situations when laboratory support is available but an automated platform is not. 14 …”
Section: What Advantages Do Poc Tests Have Over Laboratory-based Assays?mentioning
confidence: 99%
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