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Pooled HRs of PFS for patients with CR/PR after induction therapy (A) and those with SD (B) and pooled HRs of OS for patients with CR/PR after induction therapy (C) and those with SD (D) determined using direct meta-analysis. Abbreviations: Bev, Bevacizumab; HR, hazard ratio; PFS, progression-free survival; OS, overall survival; CR, complete response; PR, partial response; SD, stable disease.
