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Measuring Health Related Quality of Life (Hrqol) in Renal Transplant Patients: Psychometric Properties and Cross-Cultural Adaptation of Kidney Transplant Questionnaire (Ktq-25) in Persian

AUTHORS

Ali Tayyebi 1 , Afsaneh Raiesifar 1 , * , Soheil Najafi Mehri 1 , Abbas Ebadi 1 , Behzad Einolahi 2 , Shadi Pashandi 3

1 Faculty of Nursing, Baqiyatallah University of Medical Sciences, raissifar_56@yahoo.com, IR Iran

2 Nephrology and Urology Research Center, Baqiyatallah University of Medical Sciences, IR Iran

3 Bam Nursing Faculty, Kerman University of Medical Sciences, IR Iran

How to Cite: Tayyebi A, Raiesifar A, Najafi Mehri S, Ebadi A, Einolahi B, et al. Measuring Health Related Quality of Life (Hrqol) in Renal Transplant Patients: Psychometric Properties and Cross-Cultural Adaptation of Kidney Transplant Questionnaire (Ktq-25) in Persian, Nephro-Urol Mon. Online ahead of Print ; 4(4):617-621. doi: 10.5812/numonthly.1382.

ARTICLE INFORMATION

Nephro-Urology Monthly: 4 (4); 617-621
Published Online: September 24, 2012
Article Type: Research Article
Received: September 4, 2011
Accepted: January 28, 2012
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Abstract

Background: Different measuring tools have been used to understand the outcomes of renal replacement therapies. The goal of renal transplantation is both to ensure survival, and to promote quality of life in the patients. One of the widely used disease-specific instruments to measure the quality of life is the Kidney Transplant Questionnaire (KTQ-25).

Objectives: The current study aimed to perform a cross-cultural adaptation and assess the psychometric properties of the KTQ-25 to Persian.

Materials and Methods: The KTQ-25 was trasnlated according to International Quality of Life Assessment (IQOLA) translation methodology. Cronbachs alpha coefficient, and test-re-test were used to determine internal consistency, and reliability respectively.

Results: In the testre-test reliability of all questionnaire items, Pearson correlation was r = 0.96 (P < 0.001). Cronbachs alpha coefficient estimated the internal consistency for each scale andalpha equal or more than 0.73 was considered satisfactory. Criterion-related validity, measured by the correlation coefficients between the KTQ-25 and the SF-36 Health Survey, was r = 0.63 (P < 0.001).

Conclusions: The psychometric properties of the Kidney Transplant Questionnaire (KTQ-25) in Persian have proven to be satisfactory, therefore the application of this questionnaire in clinical practice can be recommended.

Keywords

Quality of Life Kidney Transplantation Questionnaires Psychometrics

© 2012, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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