Frailty trajectory and its associated factors in older patients undergoing abdominal surgery involving the digestive system: A longitudinal study

• Jing Guo ,

  Contributed equally to this work with: Jing Guo, Wenshuang Wang

  Roles Data curation, Formal analysis, Investigation, Writing – original draft

  ¶‡ GJ and WWS contributed equally to this work and share first authorship.

  Affiliation Department of General Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China

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• Wenshuang Wang ,

  Contributed equally to this work with: Jing Guo, Wenshuang Wang

  Roles Data curation, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

  ¶‡ GJ and WWS contributed equally to this work and share first authorship.

  Affiliation Nursing Department, Beijing Tiantan Hospital, Capital Medical University, Beijing, China

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• Xiaoxue Zhang,

  Roles Data curation, Formal analysis, Methodology

  Affiliation Department of General Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China

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• Yulin Zheng,

  Roles Project administration, Validation, Writing – review & editing

  Affiliation Department of General Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China

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• Xinran Wang

  Roles Project administration, Supervision, Writing – review & editing

  * E-mail: xwgsd2017@hotmail.com

  Affiliation Department of General Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China

  https://orcid.org/0000-0002-5846-4743

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