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Critical Care Research and PracticeVolume 2012 2012, Article ID 919106, 9 pages

Research Article

Intensive Care Unit, Department of Intensive Care, Regional Hospital, 6500 Bellinzona, Switzerland

Intensive Care Unit, Department of of Anaesthesiology, Pharmacology and Intensive Care, University Hospitals and University of Geneva, 1211 Geneva, Switzerland

Received 12 September 2011; Revised 24 December 2011; Accepted 13 January 2012

Academic Editor: Benoit Vallet

Copyright © 2012 Andreas Perren et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Background. Reliable ICU severity scores have been achieved by various healthcare workers but nothing is known regarding the accuracy in real life of severity scores registered by untrained nurses. Methods. In this retrospective multicentre audit, three reviewers independently reassessed 120 SAPS II scores. Correlation and agreement of the sum-scores-variables among reviewers and between nurses and the reviewers’ gold standard were assessed globally and for tertiles. Bland and Altman gold standard—nurses of sum scores and regression of the difference were determined. A logistic regression model identifying risk factors for erroneous assessments was calculated. Results. Correlation for sum scores among reviewers was almost perfect mean ICC = 0.985. The mean ±SD nurse-registered SAPS II sum score was versus of the gold standard for difference with a lower ICC 0.81. Bland and Altman assay was + with a significant regression between the difference and the gold standard, indicating overall an overestimation underestimation of lower higher; >32 points scores. The lowest agreement was found in high SAPS II tertiles for haemodynamics k = 0.45–0.51. Conclusions. In real life, nurse-registered SAPS II scores of very ill patients are inaccurate. Accuracy of scores was not associated with nurses’ characteristics.

Autor: Andreas Perren, Marco Previsdomini, Ilaria Perren, and Paolo Merlani



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