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05.06.2018 | Arthroscopy and Sports Medicine

Translation and validation of the Simplified Chinese version of International Knee Documentation Committee Subjective Knee Form

Zeitschrift:
Archives of Orthopaedic and Trauma Surgery
Autoren:
Zhen-yu Jia, Chen Zhang, Yuming Zou, Xuan Huang, Wei-Dong Xu
Wichtige Hinweise
Zhen-yu Jia, Chen Zhang and Yuming Zou are co-first authors; they contributed equally to the work.

Abstract

Purpose

To cross-culturally adapt and validate the International Knee Documentation Committee Subjective Knee Form to Simplified Chinese (SC-IKDC-SKF).

Methods

The original version was translated and cross-culturally adapted into Simplified Chinese according to standard guidelines. A total of 103 patients enrolled in our research. Each participant was asked to complete three instruments including the SC-IKDC-SKF, the Lysholm knee score, and the Short Form-36 (SF-36). Each participant was asked to complete the SC-IKDC-SKF twice with an interval of 7 days. A portion of the participants (n = 51) finished the SC-IKDC-SKF a third time with an interval of 12 months after arthroscopic treatment. Psychometric assessments included internal consistency, test–retest reliability, content and construct validity, and responsiveness.

Results

Strong internal consistency was proved with Cronbach’s α = 0.92. The intraclass correlation coefficient reached 0.94, indicating high test–retest reliability. No ceiling or floor effect was observed. Compared with the Lysholm knee score and the subscales of SF-36, good convergent and divergent validity of the SC-IKDC-SKF were demonstrated. The standard response mean was 2.39 and the effect size was 1.33, indicating high responsiveness.

Conclusions

The SC-IKDC-SKF was demonstrated to be a reliable, valid and responsive instrument for evaluating knee functions and symptoms of patients with knee pathology in mainland China.

Level of evidence

II.

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