Wu Xu1, Kailun Wu2, Stephen Roche3, Weili Fu4, Lixin Huang1, Michael F G Held3, Jiong Jiong Guo1. 1. Department of Orthopedics, The First Affiliated Hospital of Soochow University, Suzhou, PR China. 2. Department of Orthopedics, Dushu Lake Hospital Affiliated to Soochow University, Suzhou, PR China. 3. Department of Orthopaedic Surgery, Groote Schuur Hospital and Red Cross War Memorial Children's Hospital, University of Cape Town, Cape Town, South Africa. 4. Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, PR China.
Abstract
BACKGROUND: There has not yet been a pictorial version of a patient-reported outcome measure for shoulder pain. PURPOSE: To translate the English version of the Oxford Shoulder Score (OSS) to a simplified Chinese version (SC-OSS) and to validate a new face-scale version of the OSS (FS-OSS), while investigating cross-cultural adaptation, validation, and reproducibility of both versions in patients with shoulder pain. STUDY DESIGN: Cohort study (diagnosis); Level of evidence, 2. METHODS: The translation and cross-cultural adaptation of the SC-OSS was performed using a forward-backward translation method. The FS-OSS was developed on the basis of the SC-OSS, using the Wong-Baker FACES Pain Rating Scale for reference. Participants were asked to complete the SC-OSS, FS-OSS, Simple Shoulder Test (SST), Constant-Murley score (CMS), and 36-Item Short Form Health Survey (SF-36). Validation and reproducibility were tested by calculating Cronbach α values for internal consistency as well as by intraclass correlation coefficients. Time needed to complete the scores was used to test cross-cultural adaption. RESULTS: A total of 312 respondents participated in the research and completed all outcome measures. The internal consistency was strong, with a Cronbach α of .94 and .91 for the FS-OSS and SC-OSS, respectively. High intraclass correlation coefficient values for the FS-OSS score (0.95) and SC-OSS (0.92) were obtained, which indicated excellent test-retest reliability. The Pearson correlation coefficients of the SC-OSS and FS-OSS with the SST (r = 0.67 and 0.65, respectively), CMS (r = 0.62 and 0.66, respectively), and SF-36 (r = 0.52 and 0.57, respectively) indicated good construct validity. The time needed to complete the FS-OSS was less than that needed for the SC-OSS and SST. CONCLUSION: The FS-OSS and SC-OSS were validated as reliable instruments for patients with shoulder pain. For Chinese patients, the face-scale version was easier to understand than the cross-cultural text version.
BACKGROUND: There has not yet been a pictorial version of a patient-reported outcome measure for shoulder pain. PURPOSE: To translate the English version of the Oxford Shoulder Score (OSS) to a simplified Chinese version (SC-OSS) and to validate a new face-scale version of the OSS (FS-OSS), while investigating cross-cultural adaptation, validation, and reproducibility of both versions in patients with shoulder pain. STUDY DESIGN: Cohort study (diagnosis); Level of evidence, 2. METHODS: The translation and cross-cultural adaptation of the SC-OSS was performed using a forward-backward translation method. The FS-OSS was developed on the basis of the SC-OSS, using the Wong-Baker FACES Pain Rating Scale for reference. Participants were asked to complete the SC-OSS, FS-OSS, Simple Shoulder Test (SST), Constant-Murley score (CMS), and 36-Item Short Form Health Survey (SF-36). Validation and reproducibility were tested by calculating Cronbach α values for internal consistency as well as by intraclass correlation coefficients. Time needed to complete the scores was used to test cross-cultural adaption. RESULTS: A total of 312 respondents participated in the research and completed all outcome measures. The internal consistency was strong, with a Cronbach α of .94 and .91 for the FS-OSS and SC-OSS, respectively. High intraclass correlation coefficient values for the FS-OSS score (0.95) and SC-OSS (0.92) were obtained, which indicated excellent test-retest reliability. The Pearson correlation coefficients of the SC-OSS and FS-OSS with the SST (r = 0.67 and 0.65, respectively), CMS (r = 0.62 and 0.66, respectively), and SF-36 (r = 0.52 and 0.57, respectively) indicated good construct validity. The time needed to complete the FS-OSS was less than that needed for the SC-OSS and SST. CONCLUSION: The FS-OSS and SC-OSS were validated as reliable instruments for patients with shoulder pain. For Chinese patients, the face-scale version was easier to understand than the cross-cultural text version.
Authors: Agnieszka Bejer; Magdalena Szczepanik; Jędrzej Płocki; Daniel Szymczyk; Marek Kulczyk; Teresa Pop Journal: Health Qual Life Outcomes Date: 2019-12-30 Impact factor: 3.186