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CES Medicina

Print version ISSN 0120-8705

Abstract

MARTINEZ-CANO, Juan Pablo et al. Validation of the Spanish version of the Kujala patellofemoral pain score. CES Med. [online]. 2017, vol.31, n.1, pp.47-57. ISSN 0120-8705.  http://dx.doi.org/10.21615/cesmedicina.31.1.5.

Introduction:

The Kujala patellofemoral pain scale is an assessment tool developed to evaluate the quality of life in patients with this syndrome. The aim of this study is to adapt the Kujala scale to Spanish for Latin America and to evaluate its reproducibility and validity in patients with patellofemoral pain in Colombia.

Methods:

Following guidelines from literature, the Kujala scale was translated to Spanish. 40 patients with patellofemoral pain were asked to complete the questionnaire. They were asked to answer it for a second time within the next 14 days to assess reliability. Cronbach's alpha (CA) and intra-class correlation coefficient (ICC) were calculated to determine internal consistency and test-retest reliability. Bland-Altman plot and repeatability coefficient were calculated to determine the measurement error.

Results:

The Cronbach's alpha was 0.86 and the ICC was 0.97. The Bland-Altmanplot showed no systematic differences, and the repeatability coefficient was 7,6 %.

Discussion:

This Spanish version of the Kujala scale is a valid and reliable tool for evaluating quality of life in patients with patellofemoral pain and may be used in Spanish speaking countries of Latin America such as Colombia.

Keywords : Validation Study; Patellofemoral Pain Syndrome; Kujala Score; Translations.

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