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The prognostic value of the Modified Early Warning Score in critically ill patients: a prospective, observational study
Linköping University, Department of Medical and Health Sciences, Cardiothoracic Anaesthesia and Intensive care. Linköping University, Faculty of Health Sciences.
Linköping University, Department of Clinical and Experimental Medicine, Occupational and Environmental Medicine. Linköping University, Faculty of Health Sciences.
Linköping University, Department of Medical and Health Sciences, Anesthesiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Sinnescentrum, Department of Anaesthesiology and Intensive Care VHN.
2012 (English)In: European Journal of Anaesthesiology, ISSN 0265-0215, E-ISSN 1365-2346, Vol. 29, no 3, 152-157 p.Article in journal (Refereed) Published
Abstract [en]

Context The Modified Early Warning Score is a validated assessment tool for detecting risk of deterioration in patients at risk on medical and surgical wards. less thanbrgreater than less thanbrgreater thanObjective To assess the prognostic ability of the Modified Early Warning Score in predicting outcome after critical care. less thanbrgreater than less thanbrgreater thanDesign A prospective observational study. less thanbrgreater than less thanbrgreater thanSetting A tertiary care general ICU. less thanbrgreater than less thanbrgreater thanPatients Five hundred and eighteen patients aged at least 16 years admitted to the ICU at Linkoping University Hospital were included. less thanbrgreater than less thanbrgreater thanIntervention The Modified Early Warning Score was documented on arrival at the ICU and every hour for as long as the patient was breathing spontaneously, until discharge from the ICU. less thanbrgreater than less thanbrgreater thanMain outcome measures The primary endpoint was mortality in the ICU. Secondary endpoints were 30-day mortality, length of stay and readmission to the ICU. less thanbrgreater than less thanbrgreater thanResults Patients with a Modified Early Warning Score of at least six had significantly higher mortality in the ICU than those with a Modified Early Warning Score andlt;6 (24 vs. 3.4%, Pandlt; 0.001). A Modified Early Warning Score of at least six was an independent predictor of mortality in the ICU [odds ratio (OR) 5.5, 95% confidence interval (CI) 2.4-20.6]. The prognostic ability of the Modified Early Warning Score on admission to the ICU [area under the curve (AUC) 0.80, 95% CI 0.72-0.88] approached those of the Simplified Acute Physiology Score III (AUC 0.89, 95% CI 0.83-0.94) and the Sequential Organ Failure Assessment score on admission (AUC 0.91, 95% CI 0.86-0.97). A Modified Early Warning Score of at least six on admission was also an independent predictor of 30-day mortality (OR 4.3, 95% CI 2.3-8.1) and length of stay in the ICU (OR 2.3, 95% CI 1.4-3.8). In contrast, the Modified Early Warning Score on discharge from the ICU did not predict the need for readmission. less thanbrgreater than less thanbrgreater thanConclusion This study shows that the Modified Early Warning Score is a useful predictor of mortality in the ICU, 30-day mortality and length of stay in the ICU.

Place, publisher, year, edition, pages
Lippincott, Williams and Wilkins / Wiley-Blackwell , 2012. Vol. 29, no 3, 152-157 p.
Keyword [en]
clinical assessment, death, intensive care, mortality, risk management
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-75717DOI: 10.1097/EJA.0b013e32835032d8ISI: 000300412000007OAI: oai:DiVA.org:liu-75717DiVA: diva2:508778
Available from: 2012-03-09 Created: 2012-03-09 Last updated: 2017-12-07

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Fredrikson, MatsOscarsson Tibblin, Anna

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Cardiothoracic Anaesthesia and Intensive careFaculty of Health SciencesOccupational and Environmental MedicineAnesthesiologyDepartment of Anaesthesiology and Intensive Care VHN
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European Journal of Anaesthesiology
Medical and Health Sciences

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