Cross-sectional reliability and validation study.
To translate and assess the psychometric properties of the Thai version of the Spinal Cord Independence Measure III—Self Report (TH-SCIM-SR) in Thai spinal cord injury (SCI) patients.
Faculty of Medicine Siriraj Hospital, Mahidol University.
A cross-cultural forward and backward translation of the original Spinal Cord Independence Measure III—Self Report (SCIM-SR) was performed at the Faculty of Medicine Siriraj Hospital, Mahidol University, Thailand, to create the TH-SCIM-SR. The inclusion criteria were Thai patients with SCI duration of ≥3 months. Patients were evaluated by a team of healthcare professionals using the Thai version of the Spinal Cord Independence Measure Version III (TH-SCIM III). Study patients subsequently completed the TH-SCIM-SR two times with a 3-day interval between evaluations. Cronbach’s Alpha, Pearson’s correlation coefficient, and intraclass correlation coefficient (ICC) were used to examine internal consistency, concurrent validity, and reliability, respectively. Bland–Altman plot was used to compare scoring results between the TH-SCIM III and the TH-SCIM-SR.
Thirty-two patients were included. Cronbach’s alpha of total score, self-care subscale, respiration/sphincter management, and mobility subscale were 0.91, 0.94, 0.75, and 0.90, respectively. The reliability analysis showed good reliability. The test–retest ICC of total score, self-care subscale, respiration/sphincter management, and mobility subscale were 0.95, 0.95, 0.78, and 0.96, respectively. Regarding construct validity, the subscales of TH-SCIM-SR demonstrated a strong correlation with those of the TH-SCIM III (0.85–0.96).
TH-SCIM-SR showed good reliability and validity for assessing functional independence in Thai patients with SCI.
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The datasets generated and/or analyzed during the current study are available from the corresponding author on reasonable request.
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The authors gratefully acknowledge the patients that joined this study, Dr. Christine Fekete, for granting us permission to translate the SCIM-SR; and Dr. Jirabhorn Wannapakhe for permission to use the TH-SCIM III. The authors also wish to thank Miss Nhathita Panatreswas for statistical analysis and for assisting with the journal submission process.
This study was funded by a grant from the Faculty of Medicine Siriraj Hospital, Mahidol University (grant no. (IO)R015932036).
Conflict of interest
The authors declare that they have no conflict of interest.
The study protocol was approved by the Institutional Ethics Committee of the Faculty of Medicine Siriraj Hospital, Mahidol University, Thailand. The study number is 234/2557(EC3). The authors certify that all applicable institutional and governmental regulations concerning the ethical use of human volunteers were followed during all courses of this study.
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Wilartratsami, S., Luksanapruksa, P., Santipas, B. et al. Cross-cultural adaptation and psychometric testing of the Thai version of the Spinal Cord Independence Measure III—Self Report. Spinal Cord (2020). https://doi.org/10.1038/s41393-020-00556-7