Risk factors associated with inadequate control of disease activity in elderly patients with rheumatoid arthritis: Results from a nationwide KOrean College of Rheumatology BIOlogics (KOBIO) registry

• Seung Min Jung,

  Roles Conceptualization, Data curation, Formal analysis, Methodology, Writing – original draft

  Affiliation Division of Rheumatology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea

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• Seung-Ki Kwok,

  Roles Data curation, Formal analysis, Writing – original draft

  Affiliation Division of Rheumatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

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• Ji Hyeon Ju,

  Roles Data curation, Writing – original draft

  Affiliation Division of Rheumatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

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• Sang-Won Lee,

  Roles Data curation, Formal analysis, Writing – original draft

  Affiliation Division of Rheumatology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea

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• Jason Jungsik Song,

  Roles Data curation, Writing – original draft

  Affiliation Division of Rheumatology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea

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• Chong-Hyeon Yoon,

  Roles Methodology, Supervision, Writing – review & editing

  Affiliation Division of Rheumatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

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• Yong-Beom Park,

  Roles Methodology, Supervision, Writing – review & editing

  Affiliation Division of Rheumatology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea

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• Sung-Hwan Park

  Roles Conceptualization, Formal analysis, Methodology, Supervision, Writing – review & editing

  * E-mail: rapark@catholic.ac.kr

  Affiliation Division of Rheumatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

  http://orcid.org/0000-0003-1711-2060

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