CD4 and Hypertension: Higher age (F(1,34) = 3.45, p = 0.07), higher nadir CD4+ T-cell count (F(1,22), p = 0.03) and presence of hypertension (X2 = 7.01, p = 0.03) related to a higher likelihood of widespread Aβ pathology at, at least, trend level.