Japanese Orthopaedic Association Cervical Myelopathy Evaluation Questionnaire (JOACMEQ)

Part 4. Establishment of equations for severity scores: Subcommittee on low back pain and cervical myelopathy, evaluation of the clinical outcome committee of the Japanese orthopaedic association

Mitsuru Fukui, Kazuhiro Chiba, Mamoru Kawakami, Shinichi Kikuchi, Shinichi Konno, Masabumi Miyamoto, Atsushi Seichi, Tadashi Shimamura, Osamu Shirado, Toshihiko Taguchi, Kazuhisa Takahashi, Katsushi Takeshita, Toshikazu Tani, Yoshiaki Toyama, Kazuo Yonenobu, Eiji Wada, Takashi Tanaka, Yoshio Hirota

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Background. To establish a patient-oriented outcome measure for cervical myelopathy, a subcommittee of the Japanese Orthopaedic Association (JOA) developed a new scoring system to evaluate the overall clinical status of patients, which could be completed by patients themselves. The subcommittee completed three large-scale studies to select and modify questions derived from various preexisting outcome measures including Short Form-36, and then finalized and validated the questionnaire, which comprised 24 questions. Methods. The finalized questionnaire was administered to 369 patients with cervical myelopathy due to disc herniation, spondylosis, or ossification of posterior longitudinal ligament by randomly selected board-certified spine surgeons. Patients with different severities of myelopathy were included to insure accuracy and responsiveness of this questionnaire against patients' different neurological status. Results. Data of 236 patients were employed and were subjected to rigorous statistical analyses. There was no question that was difficult to answer and distribution of answers for each question was not concentrated to one choice, indicating the appropriateness of all 24 questions. Results of factor analysis suggested that the 24 questions could be divided into five different factors or functional domains. The factors were defined as follows: factor 1, lower extremity function; factor 2, quality of life; factor 3, cervical spine function; factor 4, bladder function; and factor 5, upper extremity function. Finally, equations that would yield scores for the five factors were assembled. The score to be used to represent the degree of patients' disability or status in each domain can be calculated by multiplying prefixed numbers of selected answers to questions by preassigned coefficients. Coefficients were defined to make the minimum score 0 and the maximum score 100. Conclusions. We have successfully established a questionnaire that is able to demonstrate the status of patients suffering cervical myelopathy from five different aspects represented by five intuitive numerical scores. The final issue to be confirmed is the responsiveness of this questionnaire to changes in patients' status after various surgical and nonsurgical treatments.

Original languageEnglish
Pages (from-to)25-31
Number of pages7
JournalJournal of Orthopaedic Science
Volume13
Issue number1
DOIs
Publication statusPublished - 2008 Jan

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Spinal Cord Diseases
Low Back Pain
Orthopedics
Spine
Ossification of Posterior Longitudinal Ligament
Outcome Assessment (Health Care)
Surveys and Questionnaires
Spondylosis
Upper Extremity
Statistical Factor Analysis
Lower Extremity
Urinary Bladder
Quality of Life

ASJC Scopus subject areas

  • Surgery

Cite this

Japanese Orthopaedic Association Cervical Myelopathy Evaluation Questionnaire (JOACMEQ) : Part 4. Establishment of equations for severity scores: Subcommittee on low back pain and cervical myelopathy, evaluation of the clinical outcome committee of the Japanese orthopaedic association. / Fukui, Mitsuru; Chiba, Kazuhiro; Kawakami, Mamoru; Kikuchi, Shinichi; Konno, Shinichi; Miyamoto, Masabumi; Seichi, Atsushi; Shimamura, Tadashi; Shirado, Osamu; Taguchi, Toshihiko; Takahashi, Kazuhisa; Takeshita, Katsushi; Tani, Toshikazu; Toyama, Yoshiaki; Yonenobu, Kazuo; Wada, Eiji; Tanaka, Takashi; Hirota, Yoshio.

In: Journal of Orthopaedic Science, Vol. 13, No. 1, 01.2008, p. 25-31.

Research output: Contribution to journalArticle

Fukui, M, Chiba, K, Kawakami, M, Kikuchi, S, Konno, S, Miyamoto, M, Seichi, A, Shimamura, T, Shirado, O, Taguchi, T, Takahashi, K, Takeshita, K, Tani, T, Toyama, Y, Yonenobu, K, Wada, E, Tanaka, T & Hirota, Y 2008, 'Japanese Orthopaedic Association Cervical Myelopathy Evaluation Questionnaire (JOACMEQ): Part 4. Establishment of equations for severity scores: Subcommittee on low back pain and cervical myelopathy, evaluation of the clinical outcome committee of the Japanese orthopaedic association', Journal of Orthopaedic Science, vol. 13, no. 1, pp. 25-31. https://doi.org/10.1007/s00776-007-1194-2
Fukui, Mitsuru ; Chiba, Kazuhiro ; Kawakami, Mamoru ; Kikuchi, Shinichi ; Konno, Shinichi ; Miyamoto, Masabumi ; Seichi, Atsushi ; Shimamura, Tadashi ; Shirado, Osamu ; Taguchi, Toshihiko ; Takahashi, Kazuhisa ; Takeshita, Katsushi ; Tani, Toshikazu ; Toyama, Yoshiaki ; Yonenobu, Kazuo ; Wada, Eiji ; Tanaka, Takashi ; Hirota, Yoshio. / Japanese Orthopaedic Association Cervical Myelopathy Evaluation Questionnaire (JOACMEQ) : Part 4. Establishment of equations for severity scores: Subcommittee on low back pain and cervical myelopathy, evaluation of the clinical outcome committee of the Japanese orthopaedic association. In: Journal of Orthopaedic Science. 2008 ; Vol. 13, No. 1. pp. 25-31.
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abstract = "Background. To establish a patient-oriented outcome measure for cervical myelopathy, a subcommittee of the Japanese Orthopaedic Association (JOA) developed a new scoring system to evaluate the overall clinical status of patients, which could be completed by patients themselves. The subcommittee completed three large-scale studies to select and modify questions derived from various preexisting outcome measures including Short Form-36, and then finalized and validated the questionnaire, which comprised 24 questions. Methods. The finalized questionnaire was administered to 369 patients with cervical myelopathy due to disc herniation, spondylosis, or ossification of posterior longitudinal ligament by randomly selected board-certified spine surgeons. Patients with different severities of myelopathy were included to insure accuracy and responsiveness of this questionnaire against patients' different neurological status. Results. Data of 236 patients were employed and were subjected to rigorous statistical analyses. There was no question that was difficult to answer and distribution of answers for each question was not concentrated to one choice, indicating the appropriateness of all 24 questions. Results of factor analysis suggested that the 24 questions could be divided into five different factors or functional domains. The factors were defined as follows: factor 1, lower extremity function; factor 2, quality of life; factor 3, cervical spine function; factor 4, bladder function; and factor 5, upper extremity function. Finally, equations that would yield scores for the five factors were assembled. The score to be used to represent the degree of patients' disability or status in each domain can be calculated by multiplying prefixed numbers of selected answers to questions by preassigned coefficients. Coefficients were defined to make the minimum score 0 and the maximum score 100. Conclusions. We have successfully established a questionnaire that is able to demonstrate the status of patients suffering cervical myelopathy from five different aspects represented by five intuitive numerical scores. The final issue to be confirmed is the responsiveness of this questionnaire to changes in patients' status after various surgical and nonsurgical treatments.",
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T2 - Part 4. Establishment of equations for severity scores: Subcommittee on low back pain and cervical myelopathy, evaluation of the clinical outcome committee of the Japanese orthopaedic association

AU - Fukui, Mitsuru

AU - Chiba, Kazuhiro

AU - Kawakami, Mamoru

AU - Kikuchi, Shinichi

AU - Konno, Shinichi

AU - Miyamoto, Masabumi

AU - Seichi, Atsushi

AU - Shimamura, Tadashi

AU - Shirado, Osamu

AU - Taguchi, Toshihiko

AU - Takahashi, Kazuhisa

AU - Takeshita, Katsushi

AU - Tani, Toshikazu

AU - Toyama, Yoshiaki

AU - Yonenobu, Kazuo

AU - Wada, Eiji

AU - Tanaka, Takashi

AU - Hirota, Yoshio

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N2 - Background. To establish a patient-oriented outcome measure for cervical myelopathy, a subcommittee of the Japanese Orthopaedic Association (JOA) developed a new scoring system to evaluate the overall clinical status of patients, which could be completed by patients themselves. The subcommittee completed three large-scale studies to select and modify questions derived from various preexisting outcome measures including Short Form-36, and then finalized and validated the questionnaire, which comprised 24 questions. Methods. The finalized questionnaire was administered to 369 patients with cervical myelopathy due to disc herniation, spondylosis, or ossification of posterior longitudinal ligament by randomly selected board-certified spine surgeons. Patients with different severities of myelopathy were included to insure accuracy and responsiveness of this questionnaire against patients' different neurological status. Results. Data of 236 patients were employed and were subjected to rigorous statistical analyses. There was no question that was difficult to answer and distribution of answers for each question was not concentrated to one choice, indicating the appropriateness of all 24 questions. Results of factor analysis suggested that the 24 questions could be divided into five different factors or functional domains. The factors were defined as follows: factor 1, lower extremity function; factor 2, quality of life; factor 3, cervical spine function; factor 4, bladder function; and factor 5, upper extremity function. Finally, equations that would yield scores for the five factors were assembled. The score to be used to represent the degree of patients' disability or status in each domain can be calculated by multiplying prefixed numbers of selected answers to questions by preassigned coefficients. Coefficients were defined to make the minimum score 0 and the maximum score 100. Conclusions. We have successfully established a questionnaire that is able to demonstrate the status of patients suffering cervical myelopathy from five different aspects represented by five intuitive numerical scores. The final issue to be confirmed is the responsiveness of this questionnaire to changes in patients' status after various surgical and nonsurgical treatments.

AB - Background. To establish a patient-oriented outcome measure for cervical myelopathy, a subcommittee of the Japanese Orthopaedic Association (JOA) developed a new scoring system to evaluate the overall clinical status of patients, which could be completed by patients themselves. The subcommittee completed three large-scale studies to select and modify questions derived from various preexisting outcome measures including Short Form-36, and then finalized and validated the questionnaire, which comprised 24 questions. Methods. The finalized questionnaire was administered to 369 patients with cervical myelopathy due to disc herniation, spondylosis, or ossification of posterior longitudinal ligament by randomly selected board-certified spine surgeons. Patients with different severities of myelopathy were included to insure accuracy and responsiveness of this questionnaire against patients' different neurological status. Results. Data of 236 patients were employed and were subjected to rigorous statistical analyses. There was no question that was difficult to answer and distribution of answers for each question was not concentrated to one choice, indicating the appropriateness of all 24 questions. Results of factor analysis suggested that the 24 questions could be divided into five different factors or functional domains. The factors were defined as follows: factor 1, lower extremity function; factor 2, quality of life; factor 3, cervical spine function; factor 4, bladder function; and factor 5, upper extremity function. Finally, equations that would yield scores for the five factors were assembled. The score to be used to represent the degree of patients' disability or status in each domain can be calculated by multiplying prefixed numbers of selected answers to questions by preassigned coefficients. Coefficients were defined to make the minimum score 0 and the maximum score 100. Conclusions. We have successfully established a questionnaire that is able to demonstrate the status of patients suffering cervical myelopathy from five different aspects represented by five intuitive numerical scores. The final issue to be confirmed is the responsiveness of this questionnaire to changes in patients' status after various surgical and nonsurgical treatments.

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