Cut-off points for mild, moderate, and severe pain on the visual analogue scale for pain in patients with chronic musculoskeletal pain
Cut-off points for mild, moderate, and severe pain on the visual analogue scale for pain in patients with chronic musculoskeletal pain
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DOI：
10.1016/j.pain.2014.09.014
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发表时间：
2014-12-01
期刊：
影响因子：
7.4
通讯作者：
Stewart, Roy E.
中科院分区：
文献类型：
--
作者：
Boonstra, Anne M.;Preuper, Henrica R. Schiphorst;Stewart, Roy E.
本研究的目的是找到视觉模拟量表（VAS）的临界点，以区分轻度、中度和重度疼痛，与以下相关：疼痛相关的功能干扰; VAS评分的口头描述;慢性肌肉骨骼疼痛患者的潜在类别分析。共纳入456例患者。使用VAS和口头评定量表评估疼痛;使用简明健康调查量表（SF-36）的领域评估功能。采用多变量方差分析（MANOVA）、有序逻辑回归和潜在类别分析对8个截止点方案进行了测试。研究结果表明，VAS评分= 6.5意味着严重干扰。VAS评分= 7.5为重度疼痛。潜在类别分析发现，3类解决方案最适合，导致类别为0.1至3.8、3.9至5.7和5.8至10 cm。我们的研究结果与其他一些研究结果一致，尽管其他许多研究发现了不同的最佳截止点方案。由于似乎没有普遍接受的临界点，并且鉴于VAS评分与功能之间以及VAS与语言评定量表评分之间的低至中度相关性，VAS评分的正确分类为轻度、中度。或严重的临床实践似乎值得怀疑。(c)2014年国际疼痛研究协会。Elsevier B. V.出版，保留所有权利。
The aim of this study was to find the cut-off points on the visual analogue scale (VAS) to distinguish among mild, moderate, and severe pain, in relation to the following: pain-related interference with functioning; verbal description of the VAS scores; and latent class analysis for patients with chronic musculoskeletal pain. A total of 456 patients were included. Pain was assessed using the VAS and verbal rating scale; functioning was assessed using the domains of the Short Form (36) Health Survey (SF-36). Eight cut-off point schemes were tested using multivariate analysis of variance (MANOVA), ordinal logistic regression, and latent class analysis. The study results showed that VAS scores = 6.5 implied severe interference. VAS scores = 7.5 as severe pain. Latent class analysis found that a 3-class solution fitted best, resulting in the classes 0.1 to 3.8, 3.9 to 5.7, and 5.8 to 10 cm. Findings from our study agree with those of some other studies, although many other studies found different optimal cut-off point schemes. As there appear to be no universally accepted cut-off points, and in view of the low-to-moderate associations between VAS scores and functioning and between VAS and verbal rating scale scores, the correct classification of VAS scores as mild, moderate. or severe in clinical practice seems doubtful. (c) 2014 International Association for the Study of Pain. Published by Elsevier B.V. All rights reserved.