Comparison of the Human Immunodeficiency Virus (HIV) Type 1-Specific Immunoglobulin G Capture Enzyme-Linked Immunosorbent Assay and the Avidity Index Method for Identification of Recent HIV Infections

Abstract
The sensitivity and specificity of the human immunodeficiency virus (HIV) type 1-specific immunoglobulin G capture enzyme-linked immunosorbent assay (BED-CEIA) were compared with those of the avidity index method to identify recent HIV infection using a panel of 148 samples (81 patients) representing durations of infection ranging from 0 to 222 weeks. The results from the two tests were similar (sensitivity of 80% versus 74% [ P = 0.53]; specificity of 86% versus 82% [ P = 0.67]).

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