Does the severity or cause of preoperative stiffness affect the clinical results and range of motion after total knee arthroplasty?

• Seung Ah Lee,

  Roles Conceptualization, Investigation, Methodology, Writing – original draft, Writing – review & editing

  Affiliation Department of Physical Medicine and Rehabilitation, College of Medicine, Kyung Hee University, Seoul, South Korea

  ⨯
• Seung-Baik Kang ,

  Roles Conceptualization

  * E-mail: ossbkang@gmail.com

  Affiliation Department of Orthopaedic Surgery, Seoul National University College of Medicine, SMG-SNU Boramae Medical Center, Seoul, South Korea

  http://orcid.org/0000-0002-1184-4482

  ⨯
• Chong Bum Chang,

  Roles Writing – original draft

  Affiliation Department of Orthopaedic Surgery, Seoul National University College of Medicine, SMG-SNU Boramae Medical Center, Seoul, South Korea

  ⨯
• Moon Jong Chang,

  Roles Conceptualization, Writing – original draft

  Affiliation Department of Orthopaedic Surgery, Seoul National University College of Medicine, SMG-SNU Boramae Medical Center, Seoul, South Korea

  ⨯
• Young Jun Kim,

  Roles Writing – original draft

  Affiliation Department of Orthopaedic Surgery, Seoul National University College of Medicine, SMG-SNU Boramae Medical Center, Seoul, South Korea

  ⨯
• Min Kyu Song,

  Roles Data curation, Formal analysis, Methodology

  Affiliation Department of Orthopaedic Surgery, Seoul National University College of Medicine, SMG-SNU Boramae Medical Center, Seoul, South Korea

  ⨯
• Jin Hwa Jeong

  Roles Data curation, Formal analysis, Methodology

  Affiliation Department of Orthopaedic Surgery, Seoul National University College of Medicine, SMG-SNU Boramae Medical Center, Seoul, South Korea

  ⨯