The association of systemic immune-inflammation index with lung function, risk of COPD and COPD severity: A population-based study

• Ying-da Song,

  Roles Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Visualization, Writing – original draft

  Affiliations Department of Thoracic Surgery, Shanxi Provincial People’s Hospital, Taiyuan, Shanxi Province, China, Fifth Clinical Medical College, Shanxi Medical University, Taiyuan, Shanxi Province, People’s Republic of China

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• Xiao-ming Bai ,

  Roles Supervision, Validation, Visualization, Writing – review & editing

  * E-mail: pegasus_2023@126.com (JM); 13803437795@163.com (XMB)

  Affiliation Department of Thoracic Surgery, Shanxi Provincial People’s Hospital, Taiyuan, Shanxi Province, China

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• Jun Ma

  Roles Conceptualization, Formal analysis, Investigation, Resources, Validation, Writing – review & editing

  * E-mail: pegasus_2023@126.com (JM); 13803437795@163.com (XMB)

  Affiliation Department of Thoracic Surgery, Shanxi Provincial People’s Hospital, Taiyuan, Shanxi Province, China

  https://orcid.org/0009-0001-3512-4244

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