AI Article Synopsis
- The study aimed to create a reliable and valid Danish version of the Spinal Appearance Questionnaire (SAQ) for evaluating quality of life in adolescent idiopathic scoliosis (AIS) patients.
- The methodology involved translating the SAQ, administering it to 78 AIS patients, and comparing baseline and follow-up scores using established metrics for reliability and correlation.
- Results showed that the new Danish SAQ had good internal consistency and reliability, though some issues were noted with specific items, confirming its suitability for use.
Article Abstract
Study Design: Cross-sectional.
Objective: To develop a psychometrically reliable and valid Danish version of the Spinal Appearance Questionnaire (SAQ).
Summary Of Background Data: The SAQ was developed as a disease-specific measure of quality of life in patients with adolescent idiopathic scoliosis (AIS), specifically for younger patients, as it has more visual cues than verbal questions. A reliable and valid Danish Version is not available.
Methods: A Danish version of the SAQ was developed using previously published and widely accepted guidelines. The final Danish SAQ and the Danish SRS22-R were administered to 78 AIS patients two weeks apart. Baseline and follow-up scores were compared. Cronbach's α and intraclass correlations were used to determine reliability. Correlation of SAQ domains with SRS-22R domains was calculated. Discriminative properties were compared by computing effect size and standardized response mean.
Results: Fifty-one patients returned both the baseline and follow-up questionnaires, with an average age 16 ± 3 years and 40.8 ± 28.8 days between baseline and follow-up. There were no floor or ceiling effects for SAQ Appearance. There was a low floor effect and moderate ceiling effect for SAQ Expectations. There was good to excellent internal consistency within each domain.
Conclusion: This purpose of this study was to translate and validate a Danish version of the SAQ. Although problems were identified with items 7 and 8, the Danish SAQ is reliable and valid.
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| http://dx.doi.org/10.1016/j.jspd.2015.08.007 | DOI Listing |
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