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. 2017 Jun 19;10:3059–3070. doi: 10.2147/OTT.S137002

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© 2017 Xu et al. This work is published and licensed by Dove Medical Press Limited

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Forest plots for subgroup analysis based on the meta-analysis with overall survival according to different cancer types.

Note: Weights are from random-effects analysis.

Abbreviations: HR, hazard ratio; CI, confidence interval.