Relationship of self-reported prior testing history to undiagnosed HIV positivity and HIV risk.

Current HIV Research
Michael S LyonsCarl J Fichtenbaum

Abstract

Screening everyone for HIV at least once is estimated to be cost-effective. Screening in health care settings is recommended to help achieve that goal. Health care settings often encounter the same patient repeatedly, and it is unknown if limited resources are better allocated to conduct repeat screening, or to screen patients not yet tested. We reviewed data for a targeted ED based HIV screening program for 2003-2007. The role of prior testing history as a predictor of undiagnosed HIV positivity was assessed using a negative binomial model adjusted for demographics and risk behaviors. HIV testing was provided to 8,450 unique patients. There were 5,781 (70%) self-reporting a prior HIV test. Compared with patients reporting no prior test, the relative risk of HIV positivity for those reporting a test within the prior year was 0.90 (95%CI 0.48-1.66), and for those reporting a prior test more than a year previously the relative risk was 0.91 (95%CI 0.48-1.73). Among patients testing positive, those who did not report a prior test had a median CD4 count that was 228 cells/mm(3) lower than those with a prior test (CI(95) of the difference in medians 20-436 cells/mm(3)). Diagnosis of prevalent HIV among those who are at risk but have...Continue Reading

Citations

May 23, 2015·Journal of the International Association of Providers of AIDS Care·Uriel R FelsenBarry S Zingman
Jul 13, 2013·Journal of Acquired Immune Deficiency Syndromes : JAIDS·Michael S LyonsCarl J Fichtenbaum
Nov 5, 2020·Journal of the American College of Emergency Physicians Open·Rachel M AnconaMichael S Lyons

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