Predictive Factors for Subjective Improvement in Lumbar Spinal Stenosis Patients with Nonsurgical Treatment: A 3-Year Prospective Cohort Study

• Ko Matsudaira,

  Affiliation Department of Medical Research and Management for Musculoskeletal Pain, 22nd Century Medical & Research Center, Faculty of Medicine, University of Tokyo, Tokyo, Japan

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• Nobuhiro Hara,

  Affiliation Department of Orthopaedic Surgery, Musashino Red Cross Hospital, Tokyo, Japan

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• Hiroyuki Oka ,

  * E-mail: okah-tky@umin.ac.jp

  Affiliation Department of Medical Research and Management for Musculoskeletal Pain, 22nd Century Medical & Research Center, Faculty of Medicine, University of Tokyo, Tokyo, Japan

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• Junichi Kunogi,

  Affiliation Department of Spine and Orthopaedic Surgery, Japanese Red Cross Medical Center, Tokyo, Japan

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• Takashi Yamazaki,

  Affiliation Department of Orthopaedic Surgery, Musashino Red Cross Hospital, Tokyo, Japan

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• Katsushi Takeshita,

  Affiliation Department of Orthopaedic Surgery, Jichi Medical University, Tochigi, Japan

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• Seichi Atsushi,

  Affiliation Department of Orthopaedic Surgery, Mitsui Memorial Hospital, Tokyo, Japan

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• Sakae Tanaka

  Affiliation Department of Orthopaedic Surgery, University of Tokyo, Tokyo, Japan

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