CD4 and AIDS: Elevated risks of early mortality were associated to older age (OR = 5.28; 95 % CI: 4.41-6.32 for age ≥60 vs. <35 years), injecting drug use (OR = 1.71; 95 % CI: 1.53-1.91 vs. heterosexual intercourse), and CD4 count <50 cells/mm3 at AIDS diagnosis (OR = 1.87, 95 % CI: 1.55-2.27 vs. ≥350).