Analysis of serum vitamin D and calcium levels in elderly patients with stable and unstable intertrochanteric fractures: A multi-center prospective study

• Kamran Alijanpour,

  Roles Writing – original draft

  Affiliation Department of Orthopedic and Trauma Surgery, Babol University of Medical Sciences, Babol, Iran

  ⨯
• Sina Afzal,

  Roles Formal analysis, Writing – review & editing

  Affiliation Department of Orthopedic and Trauma Surgery, Shahid Beheshti University of Medical Sciences, Tehran, Iran

  ⨯
• Abolhasan Alijanpour,

  Roles Methodology

  Affiliation Department of Orthopedic and Trauma Surgery, Babol University of Medical Sciences, Babol, Iran

  ⨯
• Hasan Barati,

  Roles Supervision

  Affiliation Department of Orthopedic and Trauma Surgery, Shahid Beheshti University of Medical Sciences, Tehran, Iran

  ⨯
• Hemmat Gholinia,

  Roles Methodology

  Affiliation Department of Orthopedic and Trauma Surgery, Babol University of Medical Sciences, Babol, Iran

  ⨯
• Mehdi Tavassoli

  Roles Conceptualization, Writing – review & editing

  * E-mail: Mehdi.tavasolii@gmail.com

  Affiliation Department of Orthopedic and Trauma Surgery, Babol University of Medical Sciences, Babol, Iran

  https://orcid.org/0009-0003-5699-4577

  ⨯