Table 4.

HIV-related variables for the Pediatric HIV/AIDS Cohort Study (PHACS) Adolescent Master Protocol (AMP) Up young adults with perinatal HIV who were previously enrolled in PHACS AMP (N = 174).

Age of first cART (years)	3.3 (1.4, 6.1)
cART duration (years)	15.6 (12.1, 17.0)
Percentage of lifetime HIV RNA measurements > 400 copies/ml	45.1 (22.1, 68.1)
CD4 nadir (cells/mm3)	274.5 (114, 404)
Ever CDC Class C	41 (23%)
Currenta HIV RNA (copies/ml; N = 165)	40 (20, 1,567)
Current HIV RNA > 400 copies/ml (N = 165)	55 (33%)
Current CD4 count (cells/mm3; N = 164)	580 (402, 770)
Current CD4 count (cells/mm3) < 350 (N = 164)	31 (19%)
Current CD4% (N = 163)	33 (23, 39)
Current CD4% < 25 (N = 163)	49 (30%)

Note. Values shown are median and interquartile range (Q1, Q3) or n (%). cART = combination antiretroviral therapy; CDC = Centers for Disease Control and Prevention.

^a “Current” was defined as 3 months prior to 3 months after Words-in-Noise testing.