While the role of CD4 counts was equivocal for MI/CHD, CD4 counts < 200 cells was a risk factor for death (HR 2.98, 2.67–3.32), stroke (HR 1.91, 1.44–2.54) and ICH (HR 4.61, 2.09–10.2). The gene discussed is CD4; the disease is stroke disorder.