• T I B van Dorp, M Kwant, and H Lameijer.
• Emergency Department, Medical Centre Leeuwarden, Leeuwarden, the Netherlands.
• Am J Emerg Med. 2023 Jun 1; 68: 646764-67.

IntroductionAsking patients about pain in the Emergency Department (ED) when deriving a pain score may aggravate perception of pain due to the nocebo-effect. A strategy for diminishing this nocebo-effect is cognitive reframing. Cognitive reframing of the frequently used pain score (PS) in the ED could theoretically be obtained by using the comfort score (CS). The aim of this study was to evaluate whether or not the CS and PS are interchangeable and therefore, whether or not the CS could safely be used in ED patients.MethodsIn this prospective pilot study we enrolled patients with pain visiting the ED. Participants were asked for both PS and CS in randomized order. CS were inverted (ICS) and compared with PS using the using the Wilcoxon signed rank test. Secondarily we evaluated for patient score preference.ResultsIn total 100 patients were enrolled. The median PS in these participants was 6 (IQR 4-7) and median ICS was 5 (IQR 3-6). In total, 15 (15%) of the PS and ICS were identical Medians did not differ significantly (p = .115). In 33% of the participants the total difference between the PS and ICS was >2. Participants preferred to be asked for PS over CS (43 vs 15%, p < .00).ConclusionThis proof of concept study suggest interchangeability of the PS and the ICS in patients with pain in the ED. However, while not statistically significant, 33% of the patients had a possible clinical significant difference in score outcome, potentially over- or underestimating the patients pain. Whether or not this can be used as a tool for cognitive reframing to reduce perception of pain and medication consumption has yet to be studied.Copyright © 2023. Published by Elsevier Inc.

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