• Raúl López-Izquierdo, Francisco Martín-Rodríguez, Julio C Santos Pastor, Jorge García Criado, Laura N Fadrique Millán, Virginia Carbajosa Rodríguez, Pablo Del Brío Ibáñez, and Carlos Del Pozo Vegas.
• Emergency Department, Hospital Universitario Rio Hortega, Valladolid, Spain.
• Int. J. Clin. Pract. 2021 Apr 1; 75 (4): e13779.

AimsTo determine the prognostic usefulness of the National Early Warning Score-2 (NEWS2) and quick Sepsis-related Organ Failure Assessment (qSOFA) scores, in isolation and combined with capillary lactate (CL), using the new NEWS2-L and qSOFA-L scores to predict the 30-day mortality risk.MethodsProspective, multicentre and observational study in patients across four EDs. We collected sets of vital signs and CL and subsequently calculated NEWS2, qSOFA, NEWS2-L and qSOFA-L scores when patients arrived at the ED. The main outcome measure was all-cause mortality 30 days from the index event.ResultsA total of 941 patients were included. Thirty-six patients (3.8%) died within 30 days of the index event. A high CL level has not been linked to a higher mortality. The NEWS2 presented AUROC of 0.72 (95% CI: 0.62-0.81), qSOFA of 0.66 (95% CI: 0.56-0.77) (P < .001 in both cases) and CL 0.55 (95% CI: 0.42-0.65; P = .229) to predict 30-day mortality. The addition of CL to the scores analysed does not improve the results of the scores used in isolation.ConclusionNEWS2 and qSOFA scores are a very useful tool for assessing the status of patients who come to the ED in general for all types of patients in triage categories II and III and for detecting the 30-day mortality risk. CL determined systematically in the ED does not seem to provide information on the prognosis of the patients.© 2020 John Wiley & Sons Ltd.

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