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Kaplan–Meier curves for (A) progression‐free survival and (B) overall survival in the AI fit and unfit groups, and (C) progression‐free survival and (D) overall survival in patients with an L858R mutation or an exon 19 deletion. AI, angiogenesis inhibitor; CI, confidence interval; HR, hazard ratio; mOS, median overall survival; mPFS, median progression‐free survival
