CD4 and AIDS: By univariate analysis, factors associated with AAC>=1 were: age (for additional 10 years older HR 3.81 [IC95% 2.64–5.51], p<0.0001) lower CD4 nadir (for additional 50 CD4 HR 0.89 [IC95% 0.82–0.97], p=0.01) AIDS-diagnosis (HR 2.13 [IC95 % 1.11–4.08], p=0.02) and being on HAART (HR 2.75 [IC95% 1.28–5.90], p=0.009).