• Resuscitation · May 2015

    Observational Study

    Factors affecting response to National Early Warning Score (NEWS).

    • Ivana Kolic, Smiley Crane, Suzanne McCartney, Zane Perkins, and Alex Taylor.
    • Acute Medical Unit, The Queen Elizabeth Hospital, Lewisham & Greenwich NHS Trust, London, United Kingdom. Electronic address: Ivana.kolic@nhs.net.
    • Resuscitation. 2015 May 1; 90: 85-90.

    IntroductionThe NEWS is a physiological score, which prescribes an appropriate response for the deteriorating patient in need of urgent medical care. However, it has been suggested that compliance with early warning scoring systems for identifying patient deterioration may vary out of hours. We aimed to (1) assess the scoring accuracy and the adequacy of the prescribed clinical responses to NEWS and (2) assess whether responses were affected by time of day, day of week and score severity.MethodsWe performed a prospective observational study of 370 adult patients admitted to an acute medical ward in a London District General Hospital. Patient characteristics, NEW score, time of day, day of week and clinical response data were collected for the first 24h of admission. Patients with less than a 12h hospital stay were excluded. We analysed data with univariate and multivariate logistic regression.ResultsIn 70 patients (18.9%) the NEW score was calculated incorrectly. There was a worsening of the clinical response with increasing NEW score. An appropriate clinical response to the NEWS was observed in 274 patients (74.1%). Patients admitted on the weekend were more likely to receive an inadequate response, compared to patients admitted during the week (p<0.0001). After adjusting for confounders, increasing NEWS score remained significantly associated with an inadequate clinical response. Furthermore, our results demonstrate a small increase in inadequate NEWS responses at night, however this was not clinically or statistically significant.ConclusionThe high rate of incorrectly calculated NEW scores has implications for the prescribed actions. Clinical response to NEWS score triggers is significantly worse at weekends, highlighting an important patient safety concern.Copyright © 2015 Elsevier Ireland Ltd. All rights reserved.

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