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assess functioning remains the same. Third, although the 9 items of the Environmental Factors sets related to the ASAS-HI were additionally translated and evaluated in the field test, the questionnaire was not included in the current study.
Our study contributes to SpA assessment by providing a reliable and valid cross-culturally adapted Spanish-speaking version of the ASAS-HI that is sensitive to change. This adapted instrument may be complementary to previous tools validated in Spanish-language and currently implemented in trials and clinical practice to assess patients with SpA 16, 17.
In conclusion, the Spanish ASAS-HI version represent a relevant and comprehensive patient-based instrument for evaluating the state of health and functioning in Colombian patients with SpA. This version is available and can be used in research and in clinical practice.
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