Lower CD4 counts at hospitalization (OR=0.99, p < 0.006 per unit of CD4 increase, CI 95% = 0.996 to 0.999), and detectable HIV RNA (OR = 1.71, p = 0.002, CI95% = 1.209 to 2.432) were independently associated with PHS (Figure 1). The gene discussed is CD4; the disease is Pallister-Hall syndrome.