CD4 counts at baseline were higher among PLHIV who developed an AIDS event later during follow-up (> 1–3 years: median 153 cells/μL, IQR 40–296, > 3–6 years: median 181 cells/μL, IQR 85–298, > 6 years: median 214 cells/μL, IQR 119–362). This evidence concerns the gene CD4 and AIDS.