Change in Global Deficit Score at baseline and one year of participants initiating HAART across groups of severity at baseline (n = 82). Mean change: GDS 1 = 0.01; GDS 2 = 0.06; GDS 3 = 0.24. Kruskal Wallis
-value = 0.00. Percent neuropsychological impairment over one year by domain. Black bars: Baseline data; Hatched bars: One year data.