视觉模拟评分法在症状类结局评价测量中的应用

Application of Visual Analogue Scales in Assessment of Symptomatic Outcome Data

视觉模拟评分(VAS)法在临床上被广泛应用于症状类结局的评价,比如疼痛程度的评价,但目前在资料的处理方面尚欠规范。对VAS法的资料类型及统计方法进行了归纳,并对其中较为常见且容易出现问题的重复测量资料的分析方法进行了具体的阐释,以期为VAS法在临床研究领域的规范应用提供参考。

Visual analogue scales（VAS） is extensively applied on evaluating symptomatic outcome data,such as the pain intensity,but currently most of the management of relevant data can t conform to the statistical standard.This article categories the data measured with VAS and the eligible statistical methods,give a specific explanation about analysis of repeated measures data which may commonly misused in practice.It provides a reference criterion for statistical analysis with VAS in clinical research.