An outcome measure for patients with cervical myelopathy: Japanese Orthopaedic Association Cervical Myelopathy Evaluation Questionnaire (JOACMEQ): Part 1 |
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| Authors: | Mitsuru Fukui Kazuhiro Chiba Mamoru Kawakami Shin-ichi Kikuchi Shin-ichi Konno Masabumi Miyamoto Atsushi Seichi Tadashi Shimamura Osamu Shirado Toshihiko Taguchi Kazuhisa Takahashi Katsushi Takeshita Toshikazu Tani Yoshiaki Toyama Eiji Wada Kazuo Yonenobu Takashi Tanaka Yoshio Hirota |
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| Institution: | (1) The Subcommittee on Low Back Pain and Cervical Myelopathy Evaluation of the Clinical Outcome Committee of the Japanese Orthopaedic Association, Japan;(2) Laboratory of Statistics, Osaka City University Faculty of Medicine, Osaka, Japan;(3) Department of Orthopaedic Surgery, Keio University, Tokyo, Japan;(4) Department of Orthopaedic Surgery, Wakayama Medical University, 811-1 Kimiidera, Wakayama 641-0012, Japan;(5) Department of Orthopaedic Surgery, School of Medicine, Fukushima Medical University, Fukushima, Japan;(6) Department of Orthopedic Surgery, Nippon Medical School, Tokyo, Japan;(7) Department of Orthopaedic Surgery, The University of Tokyo, Tokyo, Japan;(8) Department of Orthopaedic Surgery, Iwate Medical University School of Medicine, Morioka, Japan;(9) Department of Orthopaedic Surgery, Saitama Medical School, Irima-gun, Japan;(10) Department of Orthopedic Surgery, Yamaguchi University School of Medicine, Yamaguchi, Japan;(11) Department of Orthopedic Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan;(12) Department of Orthopaedics, Kochi Medical School, Kochi, Japan;(13) Department of Orthopaedic Surgery, Hoshigaoka Koseinenkin Hospital, Osaka, Japan;(14) National Hospital Organization Osaka-Minami Medical Center, Kawachinagano, Japan;(15) Department of Internal Medicine, Houai Hospital, Osaka, Japan;(16) Department of Public Health, Osaka City University Faculty of Medicine, Osaka, Japan |
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| Abstract: | Background An outcome measure to evaluate the neurological function of cervical myelopathy was proposed by the Japanese Orthopaedic Association
in 1975 (JOA score), and has been widely used in Japan. However, the JOA score does not include patients' satisfaction, disability,
handicaps, or general health, which can be affected by cervical myelopathy. The purpose of this study was to develop a new
outcome measure for patients with cervical myelopathy.
Methods This study was conducted in eight university hospitals and their affiliated hospitals from February to May 2002. The questionnaire
included 77 items. Forty-one questions, which were originally listed by the authors, were for evaluation of the physical function
of the cervical spine and spinal cord. The Medical Outcome Study Short-Form 36-Item Health Survey (SF-36) was used to examine
health-related quality of life (QOL). Patients with cervical myelopathy and healthy volunteers were recruited at each institution.
After analysis of the answers from patients and volunteers, irrelevant questions using the following criteria were excluded:
(1) a question 80% of answers for which were concentrated on one choice, (2) a question whose answer was highly correlated
with that of other questions, (3) a question that could be explained by other questions, and (4) a question for which the
distribution of the answers obtained from the patients was not different from that obtained from the normal volunteers.
Results The patients comprised 164 men and 86 women, and the healthy volunteers 96 men and 120 women. Thirteen items from the questions
about the physical functions of the cervical spine and the spinal cord and 11 items from SF-36 remained as candidates that
should be included in the final outcome measure questionnaire.
Conclusion Twenty-four questions remained as candidates for the final questionnaire. This new self-administered questionnaire might be
used to evaluate the outcomes in patients with cervical myelopathy more efficiently. |
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