Cross-cultural adaptation and validation of the Japanese version of the Toronto Extremity Salvage Score (TESS) for patients with malignant musculoskeletal tumors in the lower extremities

Uehara, Kosuke; Akiyama, Tsuyoshi; Iwata, Shintaro; Shinoda, Yusuke; Kobayashi, Eisuke; Saita, Kazuo; Yonemoto, Tsukasa; Kawano, Hirotaka; Chuman, Hirokazu; Davis, Aileen M.; Kawai, Akira

doi:10.1007/s00776-015-0767-8

Cited by 28 publications

(45 citation statements)

References 9 publications

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“…This item comprises the expressions ''enthused'', ''satisfied'', ''accepted'', and ''dislike'', and these expressions appear not to be definitive. The TESS system, one of the most frequently used patient-oriented evaluation systems, was translated into Japanese in 2015 [12]. Data accumulation regarding the outcome evaluation from various aspects would be required in the future.…”

Section: Discussionmentioning

confidence: 99%

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Reliability and Validity of a Japanese-language and Culturally Adapted Version of the Musculoskeletal Tumor Society Scoring System for the Lower Extremity

Iwata

Uehara

Akiyama

et al. 2016

Clinical Orthopaedics &Amp; Related Research

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Background The Musculoskeletal Tumor Society (MSTS) scoring system is a widely used functional evaluation tool for patients treated for musculoskeletal tumors. Although the MSTS scoring system has been validated in English and Brazilian Portuguese, a Japanese version of the MSTS scoring system has not yet been validated. Questions/purpose We sought to determine whether a Japanese-language translation of the MSTS scoring system for the lower extremity had (1) sufficient reliability and internal consistency, (2) adequate construct validity, and (3) reasonable criterion validity compared with the Toronto Extremity Salvage Score (TESS) and SF-36 using psychometric analysis. Methods The Japanese version of the MSTS scoring system was developed using accepted guidelines, which included translation of the English version of the MSTS into Japanese by five native Japanese bilingual musculoskeletal oncology surgeons and integrated into one document. One hundred patients with a diagnosis of intermediate or malignant bone or soft tissue tumors located in the lower extremity and who had undergone tumor resection with or without reconstruction or amputation participated in this study. Reliability was evaluated by test-retest analysis, and internal consistency was established by Cronbach's alpha coefficient. Construct validity was evaluated using the principal factor analysis and Akaike information criterion network. Criterion validity was evaluated by comparing the MSTS scoring system with the TESS and SF-36. Results Test-retest analysis showed a high intraclass correlation coefficient (0.92; 95% CI, 0.88-0.95), indicating high reliability of the Japanese version of the MSTS The institution of one or more of the authors (SI, KO, TY, AK) has received, during the study period, funding from the National Cancer Center Research and Development Fund (Grant 26-A-4). Each author certifies that he or she has no commercial associations (eg, consultancies, stock ownership, equity interest, patent/licensing arrangements, etc) that may pose a conflict of interest with respect to the submitted article. All ICMJE Conflict of Interest Forms for authors and Clinical Orthopaedics and Related Research 1 editors and board members are on file with the publication and can be viewed on request. Each author certifies that his or her institution approved the human protocol for this investigation, and all investigations were conducted in conformity with the ethical principles of research. This work was performed at the Chiba Cancer Center, The University of Tokyo Hospital, National Cancer Center Hospital, and Saitama Medical Center, Jichi Medical University. 123Clin Orthop Relat Res (2016) 474:2044-2052 DOI 10.1007 Clinical Orthopaedics and Related Research ® A Publication of The Association of Bone and Joint Surgeons® scoring system, although a considerable ceiling effect was observed, with 23 patients (23%) given the maximum score. Cronbach's alpha coefficient was 0.87 (95% CI, 0.82-0.90), suggesting a high level of internal consistency. F...

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Section: Discussionmentioning

confidence: 99%

“…Moreover, several tools are available for analyzing physical function or health-related quality of life, such as the Toronto Extremity Salvage Score (TESS) [4] or SF-36 [3], which are patient-derived assessments. Few studies have shown a correlation between the MSTS scores and those of the two other methods [7,8,12].…”

Section: Introductionmentioning

confidence: 99%

Reliability and Validity of a Japanese-language and Culturally Adapted Version of the Musculoskeletal Tumor Society Scoring System for the Lower Extremity

Iwata

Uehara

Akiyama

et al. 2016

Clinical Orthopaedics &Amp; Related Research

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“…A scree plot was analyzed to determine the best number of constructs. The degrees of correlation among the items in the MSTS-UE were evaluated using the Akaike Information Criterion (AIC) network to examine the latent structure of the MSTS-UE construct validity; this is a graphic modeling method that assesses relationships among items [1,2,5,12,18,19]. The Categorical Data Analysis Program (The Japanese Institute of Statistical Mathematics, Tachikawa, Japan) was used to conduct crosstable analyses involving all combinations of questionnaire items and searched for the best subset and categorization of explanatory items simultaneously and then matching combinations were automatically indicated using the AIC [20].…”

Section: Psychometric Characteristics Of the Msts-uementioning

confidence: 99%

“…Criterion validity, which evaluates how well one measure predicts an outcome for another measure, was evaluated by comparing the MSTS-UE with the TESS and SF-36, which were validated previously for sufficient reliability and reasonable validity in the Japanese population [2,19]. Correlations among these measures were assessed using Spearman's correlation coefficients normal distribution.…”

Section: Psychometric Characteristics Of the Msts-uementioning

confidence: 99%

Reliability and Validity of the Musculoskeletal Tumor Society Scoring System for the Upper Extremity in Japanese Patients

Uehara

Akiyama

Shinoda

et al. 2017

Clinical Orthopaedics &Amp; Related Research

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“…Separate questionnaires exist for both the upper and lower limb, with the questions being specifically tailored to the function of that extremity. Since its development in 1996, the use of the TESS is becoming more widespread around the world and is now validated for use on‐line and has been translated for use in Denmark , Japan , Korea , and Brazil .…”

Section: Introductionmentioning

confidence: 99%

Patient factors affecting the Toronto extremity salvage score following limb salvage surgery for bone and soft tissue tumors

Heaver

Isaacson

Gregory

et al. 2016

Journal of Surgical Oncology

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Cross-cultural adaptation and validation of the Japanese version of the Toronto Extremity Salvage Score (TESS) for patients with malignant musculoskeletal tumors in the lower extremities

Cited by 28 publications

References 9 publications

Reliability and Validity of a Japanese-language and Culturally Adapted Version of the Musculoskeletal Tumor Society Scoring System for the Lower Extremity

Reliability and Validity of a Japanese-language and Culturally Adapted Version of the Musculoskeletal Tumor Society Scoring System for the Lower Extremity

Reliability and Validity of the Musculoskeletal Tumor Society Scoring System for the Upper Extremity in Japanese Patients

Patient factors affecting the Toronto extremity salvage score following limb salvage surgery for bone and soft tissue tumors

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