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. 2018 Aug 14;10:2573–2580. doi: 10.2147/CMAR.S173193

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© 2018 Zhang et al. This work is published and licensed by Dove Medical Press Limited

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Flow diagram of literature review and study selection.

Notes: ^aThe report presented by Fribbens et al²² included data from two randomized studies (SoFEA and PALOMA3), which were analyzed independently. Therefore, six eligible studies were enrolled in the meta-analysis.

Abbreviations: OS, overall survival; PFS, progression-free survival.