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首页> 外文期刊>Pain research & management: the journal of the Canadian Pain Society = journal de la socie?te? canadienne pour le traitement de la douleur >Assessing pain intensity in children with chronic pain: Convergent and discriminant validity of the 0 to 10 numerical rating scale in clinical practice
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Assessing pain intensity in children with chronic pain: Convergent and discriminant validity of the 0 to 10 numerical rating scale in clinical practice

机译：评估慢性疼痛儿童的疼痛强度：在临床实践中，0到10数字评分量表的收敛性和判别有效性

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BACKGROUND: In clinical practice, children are often asked to rate their pain intensity on a simple 0 to 10 numerical rating scale (NRS). Although the NRS is a well-established measure for adults, no study has yet evaluated its validity for children with chronic pain. OBJECTIVES: To examine the convergent and discriminant validity of the NRS as it is used within regular clinical practice to document pain intensity for children with chronic pain. Interchangeability between the NRS and an analogue pain measure was also assessed. METHODS: A cohort of 143 children (mean [± SD] age 14.1±2.4 years; 72% female) rated their pain intensity (current, usual, lowest and strongest levels) on a verbally administered 0 to 10 NRS during their first appointment at a specialized pain clinic. In a separate session that occurred either immediately before or after their appointment, children also rated their pain using the validated 0 to 10 coloured analogue scale (CAS). RESULTS: NRS ratings met a priori criteria for convergent validity (r>0.3 to 0.5), correlating with CAS ratings at all four pain levels (r=0.58 to 0.68; all P<0.001). NRS for usual pain intensity differed significantly from an affective pain rating, as hypothesized (Z=2.84; P=0.005), demonstrating discriminant validity. The absolute differences between NRS and CAS pain scores were small (range 0.98±1.4 to 1.75±1.9); however, the two scales were not interchangeable. CONCLUSIONS: The present study provides preliminary evidence that the NRS is a valid measure for assessing pain intensity in children with chronic pain.
机译：背景：在临床实践中，经常要求儿童以简单的0到10数字评分表（NRS）对他们的疼痛强度进行评分。尽管NRS是成人的公认标准，但尚无研究评估其对慢性疼痛儿童的有效性。目的：研究常规临床实践中用于记录慢性疼痛儿童疼痛强度的NRS的收敛性和判别有效性。还评估了NRS与模拟疼痛度量之间的互换性。方法：队列的143名儿童（平均[±SD]年龄14.1±2.4岁;女性72％）在首次就诊时通过口服0至10 NRS评估了他们的疼痛强度（当前，通常，最低和最强水平）专门的疼痛诊所。在就诊之前或之后的单独会议中，孩子们还使用经过验证的0至10个彩色模拟量表（CAS）对疼痛进行了评分。结果：NRS评分符合先验性标准（r> 0.3至0.5），与所有四个疼痛水平的CAS评分相关（r = 0.58至0.68;所有P <0.001）。假设的常规疼痛强度的NRS与情感疼痛等级显着不同（Z = 2.84; P = 0.005），证明了判别有效性。 NRS和CAS疼痛评分之间的绝对差异很小（范围为0.98±1.4至1.75±1.9）;但是，两个音阶是不可互换的。结论：本研究提供了初步证据，表明NRS是评估慢性疼痛儿童疼痛强度的有效方法。

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