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. 2016 Mar 28;11(3):e0151703. doi: 10.1371/journal.pone.0151703

Fig 2. Cox proportional hazards analysis for time to first safety-related dose reductions or discontinuations in patients treated for 24 or 48 weeks with peginterferon alfa-2a or alfa-2b and ribavirin.

Fig 2

(A) All treatment-naive patients (G1–6) assigned to 24 or 48 weeks of treatment with peginterferon alfa-2a or alfa-2b/RBV (N = 3181); (B) Subgroup 2: treatment-naive Caucasian, G1 noncirrhotic patients assigned to 48 weeks of treatment with peginterferon alfa-2a/RBV (n = 951).