Figure 2From: Outcomes of second-line combination antiretroviral therapy for HIV-infected patients: a cohort study from Rio de Janeiro, Brazil Time from second-line cART initiation to virologic failure stratified by HIV RNA level at time of second-line cART initiation, IPEC cohort, 2000-2013. Log-rank test indicated that curves were significantly different (p < 0.01).Back to article page