临床胃相关眩晕诊断问卷的信度和有效性:波斯传统医学观点和患病率评估

Electronic Physician Pub Date : 2019-02-15 DOI:10.19082/7400
Maryam Monfared, A. Karimi-Yazdi, Fataneh Hashem-Dabaghian, M. Azizkhani, F. Amini-Behbahani
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引用次数: 0

摘要

背景:慢性眩晕是一种影响个人和社会的令人沮丧且代价高昂的疾病。波斯传统医学(TPM)的科学家们长期以来一直认为,有一种常见的眩晕类型起源于胃,称为胃相关眩晕(GRV),根据其分类,目前有简单、低成本的治疗方法。目的:开发一种有效的工具来评估GRV并确定这种类型眩晕的患病率。方法:在这项横断面研究中,根据GRV指数设计了一份问卷。为了确定评分者内部的可靠性,使用了测试再测试方法,并通过社会科学软件的统计包(SPSS,版本17)测量kappa系数。利用Lawshe表计算出每道题的内容有效性比(CVR)和内容有效性指数(CVI)。该问卷的可靠版本是在135名年龄在18至65岁之间、持续三个月以上的慢性真眩晕患者的样本中进行评估的。这项研究于2016年5月至2017年11月在伊朗德黑兰几所大学医院的门诊部进行。结果:CVR大于0.62,CVI大于0.78,kappa系数大于0.7的30项有效问卷是本研究的主要成果,可用于未来临床试验中GRV的评估。研究表明,98名参与者(72.59%)至少有一项GRV标准。结论:鉴于GRV在慢性眩晕患者中的高患病率,建议在该领域进行更多的研究,包括临床试验。
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Reliability and validity of a questionnaire for diagnosis of clinical gastric related vertigo: A Traditional Persian Medicine perspective and prevalence assessment
Background: Chronic vertigo is a frustrating and expensive disease affecting individuals and society. Scientists of Traditional Persian Medicine (TPM) have a long held belief that there is a common type of vertigo originated from the stomach known as gastric related vertigo (GRV) and there are present, simple and low-cost treatments for GRV based on its categorization. Objective: To develop a valid tool for assessing GRV and determining the prevalence of this type of vertigo. Methods: In this cross-sectional study, a questionnaire was designed based on GRV indices. To determine the intra-rater reliability, a testretest method was used and kappa coefficient was measured by Statistical Package for the Social Sciences software (SPSS, version 17). Content validity ratio (CVR) and content validity index (CVI) for each question were calculated by using Lawshe table. The reliable version of the questionnaire was assessed in a sample of 135 patients with a chronic true vertigo which lasts more than three months and aged between 18 and 65 years. This study was conducted in the outpatient clinics of several university hospitals in Tehran, Iran, between May 2016 and November 2017. Results: A valid 30-item questionnaire with CVR more than 0.62, CVI more than 0.78 and kappa coefficient more than 0.7 was the main achievement of this study, which can be useful for assessment of GRV in future clinical trials. The study showed that 98 participants (72.59%) had at least one criterion of GRV. Conclusion: According to the high prevalence of GRV among patients who suffer from chronic vertigo, more studies in this field including clinical trial are suggested.
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