The Oswestry Disability Index is not a good measure for low back pain in adolescents: A Rasch analysis of data from 200 people.

IF 2.6 3区医学 Q1 REHABILITATION

Clinical Rehabilitation Pub Date : 2024-11-08 DOI:10.1177/02692155241296802

Mitchell Selhorst, Todd Degenhart, Michael Jackowski, Samuel Meyer, Alexander Rospert

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引用次数: 0

Abstract

Objective: To evaluate the psychometric properties of the modified Oswestry Disability Index in adolescents with low back pain through Rasch analysis.

Design: This is a psychometric study.

Setting: Physical therapy clinics of a large pediatric hospital in Columbus, Ohio (United States).

Subjects: Two hundred adolescent patients with low back pain (112 female, 15.4 ± 1.9 years old).

Main measure: The modified Oswestry Disability Index.

Results: The mean modified Oswestry Disability Index score was 17.1 ± 12.1, with scores ranging from 0 to 56 on the 100-point scale. The Rasch person reliability for the Oswestry Disability Index was 0.70, representing minimal acceptable person reliability. The Oswestry Disability Index demonstrated poor item spacing, hierarchy, and targeting of the adolescents' disability level (>1 logit between person mean and item mean). A significant misfit was observed in three of 10 items. There were significant issues with the functioning of responses on all items of the Oswestry Disability Index. Principal component analysis of residuals revealed a ratio of 5.3:1, demonstrating acceptable unidimensionality.

Conclusion: Due to multiple psychometric issues, the Oswestry Disability should not be used to assess disability in adolescents with low back pain. The Oswestry Disability Index significantly mistargets adolescent ability and only provides an acceptable assessment of the most disabled adolescents.

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奥斯韦特里残疾指数（Oswestry Disability Index）并不能很好地衡量青少年的腰背痛：对 200 人数据的 Rasch 分析。

目的通过 Rasch 分析法评估腰背痛青少年改良 Oswestry 残疾指数的心理计量特性：设计：这是一项心理测量研究：美国俄亥俄州哥伦布市一家大型儿科医院的理疗诊所：主要测量指标：改良 Oswestry 残疾指数：结果：改良 Oswestry 残疾指数的平均值为（17.1 ± 12.1）分，100 分制的评分范围为 0 至 56 分。Oswestry 失能指数的 Rasch 人信度为 0.70，代表最低可接受的人信度。奥斯韦特里残疾指数的项目间距、层次性和青少年残疾程度的针对性都很差（个人平均值与项目平均值之间的对数大于 1）。在 10 个项目中，有 3 个出现了明显的不匹配。在 Oswestry 残疾指数的所有项目中，回答的功能都存在重大问题。残差的主成分分析显示比率为 5.3:1，显示了可接受的单维性：结论：由于存在多种心理测量问题，Oswestry残疾指数不应用于评估青少年腰背痛患者的残疾情况。Oswestry残疾指数严重误导了青少年的能力，只能对残疾程度最严重的青少年进行可接受的评估。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Clinical Rehabilitation 医学-康复医学

CiteScore

5.60

自引率

6.70%

发文量

117

审稿时长

4-8 weeks

期刊介绍： Clinical Rehabilitation covering the whole field of disability and rehabilitation, this peer-reviewed journal publishes research and discussion articles and acts as a forum for the international dissemination and exchange of information amongst the large number of professionals involved in rehabilitation. This journal is a member of the Committee on Publication Ethics (COPE)