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Comparison of the clinical characteristics of subjects with HIV false-positive results by third-generation HIV antibody assay (ADVIA Centaur HIV 1/O/2 enhanced, EHIV) and fourth-generation HIV combo assay (ADVIA Centaur HIV Ag/Ab Combo, CHIV)
*Include benign mass, hematoma, orthopedic diseases, hypothyroidism, s/p plastic surgery.
Abbreviations: Ag, antigen; Ab, antibody.
