<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-08-29T10:23:33Z</responseDate><request verb="GetRecord" identifier="oai:repisalud.isciii.es:20.500.12105/14214" metadataPrefix="marc">https://repisalud.isciii.es/rest/oai/request</request><GetRecord><record><header><identifier>oai:repisalud.isciii.es:20.500.12105/14214</identifier><datestamp>2025-03-24T15:58:44Z</datestamp><setSpec>com_20.500.12105_2052</setSpec><setSpec>com_20.500.12105_2051</setSpec><setSpec>com_20.500.12105_15322</setSpec><setSpec>col_20.500.12105_19608</setSpec><setSpec>col_20.500.12105_16958</setSpec><setSpec>col_20.500.12105_16962</setSpec><setSpec>col_20.500.12105_16963</setSpec><setSpec>col_20.500.12105_16978</setSpec></header><metadata><record xmlns="http://www.loc.gov/MARC21/slim" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:doc="http://www.lyncode.com/xoai" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd">
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      <subfield code="a">dc</subfield>
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      <subfield code="a">Berenguer, Juan</subfield>
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      <subfield code="a">Borobia, Alberto M</subfield>
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      <subfield code="a">Ryan, Pablo</subfield>
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      <subfield code="a">Rodríguez-Baño, Jesús</subfield>
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      <subfield code="a">Bellón, José María</subfield>
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      <subfield code="a">Jarrin Vera, Inmaculada</subfield>
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      <subfield code="a">Carratalà, Jordi</subfield>
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      <subfield code="a">Pachón, Jerónimo</subfield>
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      <subfield code="a">Carcas, Antonio J</subfield>
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      <subfield code="a">Yllescas, María</subfield>
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      <subfield code="a">Arribas, José R</subfield>
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      <subfield code="a">COVID-19@Spain Study Group</subfield>
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      <subfield code="a">COVID@HULP Study Group</subfield>
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      <subfield code="c">2021-09</subfield>
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      <subfield code="a">Objective: To develop and validate a prediction model of mortality in patients with COVID-19 attending hospital emergency rooms. Design: Multivariable prognostic prediction model. Setting: 127 Spanish hospitals. Participants: Derivation (DC) and external validation (VC) cohorts were obtained from multicentre and single-centre databases, including 4035 and 2126 patients with confirmed COVID-19, respectively. Interventions: Prognostic variables were identified using multivariable logistic regression. Main outcome measures: 30-day mortality. Results: Patients' characteristics in the DC and VC were median age 70 and 61 years, male sex 61.0% and 47.9%, median time from onset of symptoms to admission 5 and 8 days, and 30-day mortality 26.6% and 15.5%, respectively. Age, low age-adjusted saturation of oxygen, neutrophil-to-lymphocyte ratio, estimated glomerular filtration rate by the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation, dyspnoea and sex were the strongest predictors of mortality. Calibration and discrimination were satisfactory with an area under the receiver operating characteristic curve with a 95% CI for prediction of 30-day mortality of 0.822 (0.806-0.837) in the DC and 0.845 (0.819-0.870) in the VC. A simplified score system ranging from 0 to 30 to predict 30-day mortality was also developed. The risk was considered to be low with 0-2 points (0%-2.1%), moderate with 3-5 (4.7%-6.3%), high with 6-8 (10.6%-19.5%) and very high with 9-30 (27.7%-100%). Conclusions: A simple prediction score, based on readily available clinical and laboratory data, provides a useful tool to predict 30-day mortality probability with a high degree of accuracy among hospitalised patients with COVID-19.</subfield>
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      <subfield code="a">Thorax. 2021 Sep;76(9):920-929.</subfield>
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      <subfield code="a">10.1136/thoraxjnl-2020-216001</subfield>
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      <subfield code="a">1468-3296</subfield>
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      <subfield code="a">Thorax</subfield>
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      <subfield code="a">33632764</subfield>
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      <subfield code="a">http://hdl.handle.net/20.500.12105/14214</subfield>
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      <subfield code="a">Clinical epidemiology</subfield>
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      <subfield code="a">Critical care</subfield>
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      <subfield code="a">Viral infection</subfield>
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      <subfield code="a">Development and validation of a prediction model for 30-day mortality in hospitalised patients with COVID-19: the COVID-19 SEIMC score</subfield>
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