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01-01-2016 | Original Article

Cross-cultural adaptation and validation of the Hungarian version of the Core Outcome Measures Index for the back (COMI Back)

Authors: Istvan Klemencsics, Aron Lazary, Tamas Valasek, Zsolt Szoverfi, Arpad Bozsodi, Peter Eltes, Tamás Fülöp Fekete, Peter Pal Varga

Published in: European Spine Journal | Issue 1/2016

Abstract

Purpose

The Core Outcome Measure Index (COMI) is a short, multidimensional outcome instrument developed for the evaluation of patients with spinal conditions. The aim of this study was to produce a cross-culturally adapted and validated Hungarian version of the COMI Back questionnaire.

Methods

A cross-cultural adaptation of the COMI into Hungarian was carried out using established guidelines. Low back pain patients completed a booklet of questionnaires containing the Hungarian versions of COMI, Oswestry Disability Index (ODI) and WHO Quality of Life-BREF assessment (WHOQOL-BREF). The validation of the COMI included assessment of its construct validity, reliability, and responsiveness.

Results

145 patients participated in the assessment of reliability and 159 surgically treated patients were included in the responsiveness study. Excellent correlation was found between COMI and ODI scores (rho = 0.83, p < 0.01). The COMI showed a very good correlation with the physical subscale of WHOQOL-BREF (rho = −0.75, p < 0.01) and pain (rho = 0.68, p < 0.01). Test–retest analysis showed that Hungarian COMI is a reliable measurement tool (ICC = 0.92) with an acceptable standard error of measurement (SEM = 0.59) and minimum detectable change (MDC = 1.63). Internal responsiveness analysis indicated a large effect size (1.16) for the change in COMI score after lumbar surgery. The area under the ROC curve (AUC) for the COMI score compared with the global outcome of the surgery was 0.87.

Conclusion

The translation and cross-cultural adaptation of the COMI into the Hungarian language was successful, resulting in a reliable and valid measurement tool with good clinimetric properties.

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Title: Cross-cultural adaptation and validation of the Hungarian version of the Core Outcome Measures Index for the back (COMI Back)
Authors: Istvan Klemencsics
Aron Lazary
Tamas Valasek
Zsolt Szoverfi
Arpad Bozsodi
Peter Eltes
Tamás Fülöp Fekete
Peter Pal Varga
Publication date: 01-01-2016
Publisher: Springer Berlin Heidelberg
Published in: European Spine Journal / Issue 1/2016
Print ISSN: 0940-6719
Electronic ISSN: 1432-0932
DOI: https://doi.org/10.1007/s00586-014-3750-8

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Cross-cultural adaptation and validation of the Hungarian version of the Core Outcome Measures Index for the back (COMI Back)

Abstract

Purpose

Methods

Results

Conclusion

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Abstract

Purpose

Methods

Results

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