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(A–D) Forest plots summarizing the results of univariate (A) and multivariable (B) analysis of patient progression-free survival (PFS) according to the treatment received and other meaningful covariates, as well as of univariate (C) and multivariable (D) analysis of patient overall survival (OS) according to the treatment received and other relevant covariates. C: capecitabine; CV: capecitabine-vinorelbine.
