Abstract
BackgroundThe Italian Spine Youth Quality of Life (ISYQOL) questionnaire is used to evaluate health-related quality of life in adolescents with Idiopathic Scoliosis. The study aimed to undertake the process of cultural adaptation of the ISYQOL questionnaire into Simplified Chinese.MethodsTranslate from Italian into Simplified Chinese. It involved 138 adolescents whose Cobb angle ranged between 20 and 40 degrees, 50 wearing the brace and 88 not wearing the brace. Statistical analysis calculated the reliability, floor effects, and ceiling effects of the ISYQOL. After that, construct validity was measured by analyzing the ISYQOL relationship Scoliosis Research Society-22 patient Questionnaire (SRS-22).ResultsThere were no floor or ceiling effects in the ISYQOL questionnaire. Cronbach’s alpha coefficient evaluated for Internal consistency was 0.75 in the no-treated group and 0.88 in the brace-treated group. Intraclass correlation coefficients assessed with the use of the test-retest method were 0.72 in the no-treated group and 0.80 in the brace-treated group. A strong relationship exists between the ISYQOL measure and SRS-22 scores (rho = 0.62; p < 0.01), reflecting the high validity of the questionnaires. Both ISYQOL and SRS-22 scores showed no statistical difference between groups wearing and not wearing the brace (p > 0.05).ConclusionsTrans-cultural validation in Chinses language showed the reliability and validity of the ISYQOL.
Highlights
The Italian Spine Youth Quality of Life (ISYQOL) questionnaire is used to evaluate health-related quality of life in adolescents with Idiopathic Scoliosis
ISYQOL questionnaire was developed as a new health-related quality of life (HRQOL) measure
Items in the spine health domain are about the condition of scoliosis, while items in the brace domain are about the impact of wearing a brace
Summary
The Italian Spine Youth Quality of Life (ISYQOL) questionnaire is used to evaluate health-related quality of life in adolescents with Idiopathic Scoliosis. The study aimed to undertake the process of cultural adaptation of the ISYQOL questionnaire into Simplified Chinese. The. Liu et al BMC Musculoskeletal Disorders (2021) 22:568 evaluate HRQOL in spinal deformities, but have poor measurement properties. ISYQOL questionnaire was developed as a new HRQOL measure. ISYQOL showed high validity when used to measure HRQOL in adolescents with spinal deformities. The reliability and validity of selfadministered questionnaires need to evaluate to make them suitable for research and clinical practice [9]. The study aimed to evaluate the reliability and validity of the Simplified Chinese version of the ISYQOL (SC-ISYQOL) in adolescents with idiopathic scoliosis
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