Abstract
PurposeAccurate HIV diagnosis is essential for appropriate patient care. This present study evaluated the performance of two different new rapid HIV diagnostic tests; 1) TRUSTline HIV-1/2 Ab rapid test (Athenese-DxPvt. Ltd, Chennai, India)and 2) OnSite HIV 1/2 Ab Plus Combo Rapid Test (CTK Biotech Inc., San Diego, USA) and also validated ALTA Rapid Test Reader (RTR-1) (CTK Biotech Inc., San Diego, USA), the device is a user-friendly and image-analysis based qualitative/semi-quantitative tabletop reader. MethodsA total of n = 500 characterized specimens were used for this evaluation and the results of the new test kits (TRUSTline and OnSite) were also compared with 4th generation ELISA kit (Genescreen™Ultra HIV Ag-Ab ELISA) and 3 other commercially available rapid tests that were in the market; 1)SD Bioline™ HIV 1/2 3.0, 2) Aspen® HIV 1/2 Rapid Ab Test and 3) Diagnostic enterprises HIVTRI-DOT. The test band intensities of the TRUSTline and OnSite tests were measured in an ALTA rapid test reader and compared with the naked eye reading. ResultsThe sensitivity, specificity, positive predictive value, negative predictive value and efficacy of TRUSTline and OnSite were 100%, 99.6%, 99.5%, 100% and 99.8% and 100%, 100%, 100%, 100% and 100% respectively. ConclusionsThe ‘TRUSTline HIV-1/2’ and ‘OnSite HIV 1/2' kits are suitable to use in the HIV testing algorithm. Use of the ALTA rapid test reader could be user's friendly in the field level testing in resource-limited settings”.
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