The International Knee Documentation Committee (IKDC) Subjective Short Form: a validity and reliability study

Purpose The purpose of the present research was to translate the original English version of International Knee Documentation Committee (IKDC) Subjective Short Form to Persian and to assess validity and reliability of it in Iranian patients with ACL injury. Method The Persian version of the IKDC Sub...

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Bibliographic Details
Published in:	Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA Vol. 23; no. 11; pp. 3163 - 3167
Main Authors:	Ebrahimzadeh, Mohammad Hosein, Makhmalbaf, Hadi, Golhasani-Keshtan, Farideh, Rabani, Shadi, Birjandinejad, Ali
Format:	Journal Article
Language:	English
Published:	Berlin/Heidelberg Springer Berlin Heidelberg 01-11-2015 Springer Nature B.V
Subjects:	Adaptation Adult Anterior Cruciate Ligament Injuries Cronbach's alpha Culturally Competent Care Documentation Female Humans Iran Joint and ligament injuries Knee Knee Injuries - diagnosis Male Medicine Medicine & Public Health Orthopedics Questionnaires Reproducibility of Results Surgeons Surveys and Questionnaires Translating Translations Trauma Validity Young Adult Iran Validity IKDC Iran Persian ACL Reliability Persian Version
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Summary:	Purpose The purpose of the present research was to translate the original English version of International Knee Documentation Committee (IKDC) Subjective Short Form to Persian and to assess validity and reliability of it in Iranian patients with ACL injury. Method The Persian version of the IKDC Subjective Short Form was administered to 145 patients including 111 men (76 %) and 34 women (24 %) with the clinical diagnosis of knee ACL tear that were referred to our Knee and Shoulder Center at Mashhad University of Medical Sciences, Mashhad, Iran. The Persian IKDC Subjective Short Form and Persian SF-36 questionnaire were completed by patients in the clinic before beginning any treatment intervention. Patients filled out the Persian IKDC 72 h again before receiving a major treatment; we were then able to use the test–retest method to calculate reliability. Results The average age of the subjects was 30.9 ± 10.4 years. The calculated ICC with 95 % confidence interval was 0.845. In this study, Cronbach’s alpha was 0.845. There were significant correlations between mean total score of the Persian IKDC and all items of the SF36 ( P < 0.05) except for MCS ( P = 0.055). Conclusion Cronbach’s alpha and correlation of IKDC Subjective Short Form and SF-36 demonstrated that the Persian version of IKDC has both strong reliability and validity. The Iranian version of IKDC has favourable validity and reliability and therefore can be used to assess Persian-speaking patients with cruciate ligament injuries. Level of evidence Level II.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Undefined-1 ObjectType-Feature-3 content type line 23 ObjectType-Article-1 ObjectType-Feature-2
ISSN:	0942-2056 1433-7347
DOI:	10.1007/s00167-014-3107-1