Universidade de São Paulo, Faculdade de Medicina de Ribeirão Preto, Department of Biomechanics, Medicine and Rehabilitation of Locomotor Apparatus, Ribeirão PretoSP, Brazil.
Braz J Phys Ther. 2013 Sep-Oct;17(5):494-505. doi: 10.1590/S1413-35552012005000108. Epub 2013 Sep 10.
The SRS-22r questionnaire is a well-accepted instrument used to measure health-related quality of life in patients with idiopathic scoliosis. No validated tool exists in Brazil for idiopathic scoliosis, and the use of the SRS-22r in non-English Laguage contries requires its transcultural adaptation.
The objective of this study was to culturally adapt the translated Brazilian version of the SRS-22r questionnaire and to determine its reliability using statistical tests for internal consistency and test-retest reliability.
The transcultural adaptation process was carried out according to the recommendations of the American Academy of Orthopedic Surgeons. The pre-final version was administered to 44 patients with idiopathic scoliosis. The mean age of the participants was 18.93 years and the mean curve magnitude was 54.6°. A subgroup of 30 volunteers completed the questionnaire a second time one week later to determine the scale's reproducibility. Internal consistency was determined using Cronbach's alpha coefficient, and the test-retest reliability was determined using the Intraclass Correlation Coefficient (ICC).
No floor effects were observed using the Brazilian version of the SRS-22r. Ceiling effects were observed in the Pain and Satisfaction with Management domains. The internal consistency values were very good for 3 domains and good for 2 domains. The ICC values were excellent for all domains.
The high values of internal consistency and ICC reproducibility suggest that this version of the questionnaire can be used in Brazilian patients with idiopathic scoliosis.
SRS-22r 问卷是一种被广泛接受的用于测量特发性脊柱侧凸患者健康相关生活质量的工具。巴西没有针对特发性脊柱侧凸的有效工具，而在非英语国家使用 SRS-22r 需要进行跨文化适应性调整。
本研究的目的是对 SRS-22r 问卷的巴西翻译版本进行文化适应性调整，并通过内部一致性和重测信度的统计检验来确定其可靠性。
跨文化适应性调整过程按照美国矫形外科医师学会的建议进行。预终版问卷应用于 44 例特发性脊柱侧凸患者。参与者的平均年龄为 18.93 岁，平均曲线幅度为 54.6°。一个由 30 名志愿者组成的亚组在一周后再次完成问卷，以确定该量表的可重复性。内部一致性采用 Cronbach's alpha 系数进行评估，重测信度采用组内相关系数（ICC）进行评估。
巴西版 SRS-22r 未观察到地板效应。疼痛和管理满意度两个领域存在天花板效应。3 个领域的内部一致性值非常好，2 个领域的内部一致性值良好。所有领域的 ICC 值均为优秀。
高内部一致性和 ICC 重测信度值表明，该问卷的巴西版本可用于巴西特发性脊柱侧凸患者。
