标准化截断舟形高度评估6-12岁儿童静足姿势的敏感性和特异性。

Pub Date : 2019-06-01 Epub Date: 2018-10-12 DOI:10.1142/S1013702519500021

Emad A Aboelnasr, Hoda A El-Talawy, Faten H Abdelazim, Fatma A Hegazy

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引用次数: 4

摘要

背景:标准化截断舟形高度(NTNH)是一种无创、易于操作、简单的静足姿势临床测量方法。然而，其在评估儿童静足姿势中的敏感性和特异性尚未得到研究。目的:探讨以x线测量作为金标准测量方法评价儿童静足姿势时NTNH的可靠性、敏感性和特异性。方法:随机抽取300名6 ~ 12岁学龄儿童进行横断面调查。研究了NTNH的内部可靠性、最小可检测变化、敏感性和特异性。计算NTNH作为静足姿势的临床测量值，并与x线测量值进行比较，显示在受试者工作特征(ROC)曲线上。结果:NTNH显示了ICC = 0的评级内信度。98年。NTNH的敏感性为88.1%，特异性为99.5%。6-12岁儿童使用NTNH诊断扁平足的最佳截断点为NTNH≤0。结论:NTNH是6-12岁儿童静足姿势的一种灵敏、特异的测量方法。建议将其作为儿童静足姿势的筛查措施，因为它容易，操作简单，并且是一种无创的临床措施。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Sensitivity and specificity of normalized truncated navicular height in assessment of static foot posture in children aged 6-12 years.

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Sensitivity and specificity of normalized truncated navicular height in assessment of static foot posture in children aged 6-12 years.

Background: Normalized truncated navicular height (NTNH) is a non-invasive, easy to perform, and simple clinical measure of static foot posture. However, its sensitivity and specificity in evaluation of the static foot posture in children have not been investigated yet.

Objective: To investigate the intra-rater reliability, sensitivity, and specificity of NTNH in evaluation of the static foot posture in children using radiographic measure as a gold standard measure.

Methods: A cross-sectional study of a random sample of 300 school children aged 6-12 years old. Intra-rater reliability, minimal detectable change, sensitivity, and specificity of NTNH were investigated. NTNH as a clinical measure of static foot posture was calculated and compared to the radiographic measure and displayed on the receiver operating characteristic (ROC) curve.

Results: NTNH demonstrated an intra-rater reliability of $ICC = 0.98$ . The sensitivity and specificity of NTNH were 88.1% and 99.5%, respectively. The optimal cutoff point for the diagnosis of flat foot using NTNH in children aged 6-12 years is NTNH $\leq 0.19$ .

Conclusion: NTNH is a sensitive and specific measure of static foot posture in the children aged 6-12 years. It is recommended to be used as a screening measure of static foot posture in children as it is easy, simple to perform, and a non-invasive clinical measure.

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