Is age-adjusted Modified Early Warning Score upon admission a relevant prognostic tool for final outcome?

Introduction. Early warning scoring systems are important for timely identification of the critically ill, but are they a relevant prognostic tool? Our objective was to test if Modified Early Warning Score (MEWS), lactate, and base excess (BE) have any prognostic value in high dependency unit patien...

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Main Authors: Obradović Dušanka, Joveš Biljana, Vujović Ivana, Vukoja Marija, Stefanović Srđan, Sovilj-Gmizić Stanislava
Format: Article
Language:English
Published: Serbian Medical Society 2020-01-01
Series:Srpski Arhiv za Celokupno Lekarstvo
Subjects:
Online Access:http://www.doiserbia.nb.rs/img/doi/0370-8179/2020/0370-81792000058O.pdf
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author Obradović Dušanka
Joveš Biljana
Vujović Ivana
Vukoja Marija
Stefanović Srđan
Sovilj-Gmizić Stanislava
author_facet Obradović Dušanka
Joveš Biljana
Vujović Ivana
Vukoja Marija
Stefanović Srđan
Sovilj-Gmizić Stanislava
author_sort Obradović Dušanka
collection DOAJ
description Introduction. Early warning scoring systems are important for timely identification of the critically ill, but are they a relevant prognostic tool? Our objective was to test if Modified Early Warning Score (MEWS), lactate, and base excess (BE) have any prognostic value in high dependency unit patients. Methods. This was a prospective observational study that included 364 patients treated at a respiratory high dependency unit. The values of MEWS, lactate, and BE at admission were recorded with patients’ age, sex, and comorbidities. Negative outcome was defined as death or transfer to the intensive care unit. Independent predictors of negative outcome were identified with the use of multivariable logistic regression. Results. Of 369 patients, 203 (55%) were male. Mean age was 62 ± 16. There were 138 (37.4%) patients with negative outcome: 27.37% died, while 10.03% patients required intensive care unit transfer. The median length of hospital stay was 13 days (IQR 7–15). Patients with negative outcome had a significantly higher MEWS (3.68 ± 1.965 vs. 4.57 ± 2.33, p < 0.001), lower BE (-0.139 ± 7.48 vs. -3.751 ± 6.159, p < 0.001), and a higher lactate (2.299 ± 2.350 vs. 3.498 ± 3.578, p < 0.001). MEWS ≥ 4 (OR 1.90, CI 1.082–3.340, p = 0.026) was the only independent predictor of mortality. Area under the curve (AUC) for MEWS with regard to in-hospital mortality prediction was 0.633 (95% CI 0.569–0.697). When age was added to MEWS, the AUC was 0.76 (95% CI 0.707–0.814). Conclusion. Our findings support the prognostic value of MEWS for final outcome of patients admitted to the high dependency unit.
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spelling doaj.art-08d0f67d6e37403da5702d19e4581aa32022-12-21T19:58:53ZengSerbian Medical SocietySrpski Arhiv za Celokupno Lekarstvo0370-81792406-08952020-01-0114811-1270170510.2298/SARH181008058O0370-81792000058OIs age-adjusted Modified Early Warning Score upon admission a relevant prognostic tool for final outcome?Obradović Dušanka0Joveš Biljana1Vujović Ivana2Vukoja Marija3Stefanović Srđan4Sovilj-Gmizić Stanislava5Institute for Pulmonary Diseases of Vojvodina, Sremska Kamenica, Serbia + University of Novi Sad, Faculty of Medicine, Novi Sad, SerbiaInstitute for Pulmonary Diseases of Vojvodina, Sremska Kamenica, Serbia + University of Novi Sad, Faculty of Medicine, Novi Sad, SerbiaInstitute for Pulmonary Diseases of Vojvodina, Sremska Kamenica, SerbiaInstitute for Pulmonary Diseases of Vojvodina, Sremska Kamenica, Serbia + University of Novi Sad, Faculty of Medicine, Novi Sad, SerbiaInstitute for Pulmonary Diseases of Vojvodina, Sremska Kamenica, SerbiaInstitute for Pulmonary Diseases of Vojvodina, Sremska Kamenica, SerbiaIntroduction. Early warning scoring systems are important for timely identification of the critically ill, but are they a relevant prognostic tool? Our objective was to test if Modified Early Warning Score (MEWS), lactate, and base excess (BE) have any prognostic value in high dependency unit patients. Methods. This was a prospective observational study that included 364 patients treated at a respiratory high dependency unit. The values of MEWS, lactate, and BE at admission were recorded with patients’ age, sex, and comorbidities. Negative outcome was defined as death or transfer to the intensive care unit. Independent predictors of negative outcome were identified with the use of multivariable logistic regression. Results. Of 369 patients, 203 (55%) were male. Mean age was 62 ± 16. There were 138 (37.4%) patients with negative outcome: 27.37% died, while 10.03% patients required intensive care unit transfer. The median length of hospital stay was 13 days (IQR 7–15). Patients with negative outcome had a significantly higher MEWS (3.68 ± 1.965 vs. 4.57 ± 2.33, p < 0.001), lower BE (-0.139 ± 7.48 vs. -3.751 ± 6.159, p < 0.001), and a higher lactate (2.299 ± 2.350 vs. 3.498 ± 3.578, p < 0.001). MEWS ≥ 4 (OR 1.90, CI 1.082–3.340, p = 0.026) was the only independent predictor of mortality. Area under the curve (AUC) for MEWS with regard to in-hospital mortality prediction was 0.633 (95% CI 0.569–0.697). When age was added to MEWS, the AUC was 0.76 (95% CI 0.707–0.814). Conclusion. Our findings support the prognostic value of MEWS for final outcome of patients admitted to the high dependency unit.http://www.doiserbia.nb.rs/img/doi/0370-8179/2020/0370-81792000058O.pdfmewslactatebeoutcome
spellingShingle Obradović Dušanka
Joveš Biljana
Vujović Ivana
Vukoja Marija
Stefanović Srđan
Sovilj-Gmizić Stanislava
Is age-adjusted Modified Early Warning Score upon admission a relevant prognostic tool for final outcome?
Srpski Arhiv za Celokupno Lekarstvo
mews
lactate
be
outcome
title Is age-adjusted Modified Early Warning Score upon admission a relevant prognostic tool for final outcome?
title_full Is age-adjusted Modified Early Warning Score upon admission a relevant prognostic tool for final outcome?
title_fullStr Is age-adjusted Modified Early Warning Score upon admission a relevant prognostic tool for final outcome?
title_full_unstemmed Is age-adjusted Modified Early Warning Score upon admission a relevant prognostic tool for final outcome?
title_short Is age-adjusted Modified Early Warning Score upon admission a relevant prognostic tool for final outcome?
title_sort is age adjusted modified early warning score upon admission a relevant prognostic tool for final outcome
topic mews
lactate
be
outcome
url http://www.doiserbia.nb.rs/img/doi/0370-8179/2020/0370-81792000058O.pdf
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