• Disaster Med Public Health Prep · Sep 2020

    Predictive Value of 5 Early Warning Scores for Critical COVID-19 Patients.

    • Hai Hu, Ni Yao, and Yanru Qiu.
    • Emergency Office of West China Hospital, Sichuan University, Sichuan, China; China International Emergency Medical Team, Sichuan, China; Management Office of Emergency Medical Rescue Base of Sichuan University, Sichuan, China.
    • Disaster Med Public Health Prep. 2020 Sep 9: 1-8.

    ObjectivesA simple evaluation tool for patients with novel coronavirus disease 2019 (COVID-19) could assist the physicians to triage COVID-19 patients effectively and rapidly. This study aimed to evaluate the predictive value of 5 early warning scores based on the admission data of critical COVID-19 patients.MethodsOverall, medical records of 319 COVID-19 patients were included in the study. Demographic and clinical characteristics on admission were used for calculating the Standardized Early Warning Score (SEWS), National Early Warning Score (NEWS), National Early Warning Score2 (NEWS2), Hamilton Early Warning Score (HEWS), and Modified Early Warning Score (MEWS). Data on the outcomes (survival or death) were collected for each case and extracted for overall and subgroup analysis. Receiver operating characteristic curve analyses were performed.ResultsThe area under the receiver operating characteristic curve for the SEWS, NEWS, NEWS2, HEWS, and MEWS in predicting mortality were 0.841 (95% CI: 0.765-0.916), 0.809 (95% CI: 0.727-0.891), 0.809 (95% CI: 0.727-0.891), 0.821 (95% CI: 0.748-0.895), and 0.670 (95% CI: 0.573-0.767), respectively.ConclusionsSEWS, NEWS, NEWS2, and HEWS demonstrated moderate discriminatory power and, therefore, offer potential utility as prognostic tools for screening severely ill COVID-19 patients. However, MEWS is not a good prognostic predictor for COVID-19.

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