Key result
Nu-DESC demonstrates high diagnostic accuracy for postoperative delirium with ~0.94 AUC.
Why the study?
Little was known regarding the diagnostic performance of the nursing delirium screening scale (Nu-DESC) in assessing postoperative delirium.
Does the nursing delirium screening scale (Nu-DESC) accurately assess postoperative delirium in adult postoperative patients?
Meta-Analysis (n=2,062)
Does the nursing delirium screening scale (Nu-DESC) accurately assess postoperative delirium in adult postoperative patients?
The Nu-DESC demonstrates satisfactory diagnostic performance for assessing postoperative delirium and could be considered for use by nurses and allied health professionals.
Answers are grounded in this paper and cite their sources.
Nu-DESC supports postoperative delirium screening by nurses; reinforces diagnostic accuracy across validation studies.
The nursing delirium screening scale (Nu-DESC) was developed for the rapid assessment of delirium, but little is known regarding the performance of the Nu-DESC in assessing postoperative delirium. The purpose of this systematic review and meta-analysis was to review and summarize the evidence of the diagnostic accuracy of the Nu-DESC in assessing postoperative delirium. The EMBASE, MEDLINE, Cochrane Library, CINAHL, and a Chinese e-Journal database were searched from the period of the inception of the Nu-DESC to June 18, 2020. Participants were adult (age ≥ 18 years) postoperative patients who received any type of surgery and any method of anesthesia. The quality assessment of diagnostic accuracy studies-2 was employed to assess the risk of bias among the selected studies, and meta-regression analyses were used to detect sources of between-study heterogeneity. Eleven studies involving 2062 postoperative patients in surgical settings were included. The Nu-DESC revealed a pooled sensitivity of 0.73 (95% confidence interval, 0.44-0.90) and a specificity of 0.93 (0.87-0.96). The area under the summary receiver operating characteristics curve was 0.94 (0.91-0.96), which also confirmed the accuracy of the Nu-DESC. Covariates, including the region of study and the standard reference used, were identified as possible sources of heterogeneity in the meta-regression. The findings of this review can update existing clinical guidelines for postoperative delirium. On the basis of its satisfactory diagnostic performance, we suggest that the Nu-DESC could be considered for nurses and allied health professionals for assessing postoperative delirium. However, because of the heterogeneity, the result of this meta-analysis should be considered with caution.
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Ho et al. (2021) conducted a meta-analysis in Postoperative delirium (n=2,062). Nursing delirium screening scale (Nu-DESC) was evaluated on Diagnostic accuracy of the Nu-DESC in assessing postoperative delirium (AUC 0.94, 95% CI 0.91-0.96). The nursing delirium screening scale (Nu-DESC) demonstrated high diagnostic accuracy for assessing postoperative delirium, with a pooled sensitivity of 0.73, specificity of 0.93, and AUC of 0.94.
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