Distinct characteristics and outcomes in elderly-onset IgA vasculitis (Henoch-Schönlein purpura) with nephritis: Nationwide cohort study of data from the Japan Renal Biopsy Registry (J-RBR)

• Hiroyuki Komatsu ,

  Contributed equally to this work with: Hiroyuki Komatsu, Shouichi Fujimoto

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Software, Validation

  * E-mail: hiroyuki_komatsu@med.miyazaki-u.ac.jp

  Affiliation Department of Nephrology, University of Miyazaki Hospital, Miyazaki, Japan

  http://orcid.org/0000-0001-7557-2204

  ⨯
• Shouichi Fujimoto ,

  Contributed equally to this work with: Hiroyuki Komatsu, Shouichi Fujimoto

  Roles Conceptualization, Methodology, Project administration, Supervision

  Affiliation Department of Hemovascular Medicine and Artificial Organs, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan

  ⨯
• Shoichi Maruyama,

  Roles Data curation, Investigation

  Affiliation Department of Nephrology, Nagoya University Graduate School of Medicine, Aichi, Japan

  ⨯
• Masashi Mukoyama,

  Roles Data curation, Investigation

  Affiliation Department of Nephrology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan

  ⨯
• Hitoshi Sugiyama ,

  Roles Conceptualization, Data curation, Investigation, Methodology, Supervision

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Medicine and Clinical Science, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Science, Okayama, Japan

  http://orcid.org/0000-0002-4127-6471

  ⨯
• Kazuhiko Tsuruya,

  Roles Data curation, Investigation

  Affiliation Department of Integrated Therapy for Chronic Kidney Disease, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan

  ⨯
• Hiroshi Sato ,

  Roles Data curation, Investigation, Supervision

  ¶‡ These authors also contributed equally to this work.

  Affiliation Clinical Pharmacology and Therapeutics, Tohoku University Graduate School of Pharmaceutical Sciences, Sendai, Japan

  ⨯
• Jun Soma,

  Roles Data curation, Investigation

  Affiliation Department of Nephrology and Rheumatology, Iwate Prefectural Central Hospital, Iwate, Japan

  ⨯
• Junko Yano,

  Roles Data curation, Investigation

  Affiliation Division of Nephrology, Department of Medicine, Kurume University School of Medicine, Fukuoka, Japan

  ⨯
• Seiji Itano,

  Roles Data curation, Investigation

  Affiliation Division of Nephrology and Hypertension, Department of Internal Medicine, Kawasaki Medical School, Okayama, Japan

  ⨯
• Tomoya Nishino,

  Roles Data curation, Investigation

  Affiliation Department of Nephrology, Nagasaki University Hospital, Nagasaki, Japan

  ⨯
• Toshinobu Sato,

  Roles Data curation, Investigation

  Affiliation Department of Nephrology, Sendai Shakai Hoken Hospital, Sendai, Japan

  ⨯
• Ichiei Narita,

  Roles Data curation, Investigation

  Affiliation Division of Clinical Nephrology and Rheumatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan

  ⨯
• Hitoshi Yokoyama

  Roles Data curation, Investigation, Methodology, Project administration, Supervision, Validation

  ¶‡ These authors also contributed equally to this work.

  Affiliation Division of Nephrology, Kanazawa Medical University School of Medicine, Ishikawa, Japan

  ⨯