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. 2016 Feb 12;11(2):e0148924. doi: 10.1371/journal.pone.0148924

Table 3. Kaplan-Meier estimations of the efficacy as determined by on-treatment analysis applying different criteria for virological failure.

Virological efficacy
Virological failure definition week 48 week 96
HIV-RNA >200 copies/mL x2 or >200 x1 followed by loss to follow-up. 95.6% (CI95, 94.5–96.7) 91.5% (CI95, 89.6–93.4)
HIV-RNA >50 copies/mL x2 or >50 x1 followed by loss to follow-up. 94.4% (CI95, 93.1–97.7) 85.2% (CI95, 82.9–87.5)
HIV-RNA >50 copies/mL x2 or >50 x1 followed by loss to follow-up + treatment change due to a single detectable viremia. 93.5% (CI95, 92.0–95.0) 83.5% (CI95, 81.0–86.0)