IDWeek Study Adds to Current Understanding of Younger, Newly Diagnosed HIV Cases

Published: October 30, 2014

Original Article:

The incidence of HIV in the US in general remains flat; however, among younger individuals, particularly those 25 years of age or younger, new diagnoses are on the rise.


The retrospective study identified new patients attending at least 1 provider visit at the Vanderbilt Comprehensive Care Clinic from October 2010 through June 2012. Those patients under the age of 25 at the time of first visit were compared with those older than 25. Of the 281 newly diagnosed cases studied, 25% were less than 25 years old at first visit. Those less than 25 were more likely to be black, men who sex with men, and to report a prior negative HIV test. Although days from positive test to first provider visit and baseline HIV RNA levels did not differ by age group, those less than 25 years of age had a significantly higher median CD4 T cell count than those 25 years of age or older. In a multivariate model, age of less than 25 years (P=0.01) and female sex (P=0.02) were associated with higher CD4 count at enrollment to care after adjustment for race/ethnicity, substance use, and men who have sex with men risk.

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