Feise Ronald J, Donaldson Sandra, Crowther Edward R, Menke J Michael, Wright James G
American Chiropractic Scoliosis Foundation, Fort Collins, CO, USA.
Spine (Phila Pa 1976). 2005 Jun 1;30(11):1310-5. doi: 10.1097/01.brs.0000163885.12834.ca.
A prospective cross-sectional design was used to evaluate the Scoliosis Quality of Life Index (SQLI). SQLI is a 22-item self-reporting health-related quality-of-life questionnaire for idiopathic scoliosis patients.
The goal of this study was to evaluate the psychometric qualities of SQLI.
SQLI, a modification of the Scoliosis Research Society-22 (SRS-22) questionnaire, is intended to be more applicable to patients with adolescent idiopathic scoliosis (AIS) between 10 and 18 years of age.
Eighty-four subjects with a mean age of 14.9 years participated. We determined reliability, validity, distribution of scores, and clinical utility of SQLI in a hospital setting. Seventy patients were AIS patients (16 postsurgical, 30 braced, 24 unbraced) with a mean Cobb angle of 30.7 degrees, and 14 patients were sibling controls.
Reliability: Intraclass correlation coefficient for test-retest reliability of the global index was very good (ICC 2,1 = 0.80); Spearman's rho correlations between items and domains was 0.39 to 0.89 and between domains and global index was 0.55 to 0.78; Cronbach's alpha scores were more than 0.80 (0.82-0.89).
construct validity was established by correlations between SQLI's global index and Quality of Life Profile for Spine Deformities (QLPSD) global index (Spearman's rho, 0.79) and between SQLI domains and QLPSD domains (0.46-0.81); discriminate validity was established by SQLI's global index successfully partitioned controls and AIS subjects (Kruskal-Wallis test, P = 0.0013). Time required by the patient averaged 2.5 minutes per administration.
SQLI is reliable and valid and demonstrates satisfactory distribution of scores. SQLI is a promising instrument in the assessment of AIS patients.
采用前瞻性横断面设计来评估脊柱侧弯生活质量指数（SQLI）。SQLI是一份针对特发性脊柱侧弯患者的包含22个项目的自我报告式健康相关生活质量问卷。
本研究的目的是评估SQLI的心理测量学特性。
SQLI是脊柱侧弯研究协会22项问卷（SRS - 22）的修订版，旨在更适用于10至18岁的青少年特发性脊柱侧弯（AIS）患者。
84名平均年龄为14.9岁的受试者参与研究。我们在医院环境中确定了SQLI的信度、效度、分数分布及临床效用。70名患者为AIS患者（16名接受手术，30名佩戴支具，24名未佩戴支具），平均Cobb角为30.7度，14名患者为同胞对照。
信度：总体指数重测信度的组内相关系数非常好（ICC 2,1 = 0.80）；各项目与领域之间的Spearman等级相关系数为0.39至0.89，领域与总体指数之间的相关系数为0.55至0.78；Cronbach's alpha分数超过0.80（0.82 - 0.89）。
通过SQLI总体指数与脊柱畸形生活质量概况（QLPSD）总体指数之间的相关性（Spearman等级相关系数，0.79）以及SQLI各领域与QLPSD各领域之间的相关性（0.46 - 0.81）确定结构效度；通过SQLI总体指数成功区分对照和AIS受试者确定区分效度（Kruskal - Wallis检验，P = 0.0013）。患者每次填写问卷平均需要2.5分钟。
SQLI可靠且有效，分数分布令人满意。SQLI在评估AIS患者方面是一种有前景的工具。
