A nadir CD4 cell count ≥50/μL was associated with lower odds of HIV/AIDS-related deaths (aOR for CD4 cell count 200–349/μL, 0.26 [95% CI, .12–.51]), as was diabetes (0.26 [.06–.76]) and hypertension (0.45 [.27–.75]). The gene discussed is CD4; the disease is Hypertension.