<?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>2026-04-14T02:47:16Z</responseDate><request verb="GetRecord" identifier="oai:www.recercat.cat:2445/197756" metadataPrefix="marc">https://recercat.cat/oai/request</request><GetRecord><record><header><identifier>oai:recercat.cat:2445/197756</identifier><datestamp>2025-12-05T04:20:51Z</datestamp><setSpec>com_2072_1057</setSpec><setSpec>col_2072_478809</setSpec><setSpec>col_2072_478917</setSpec></header><metadata><record xmlns="http://www.loc.gov/MARC21/slim" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd">
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      <subfield code="a">Darbà, Josep</subfield>
      <subfield code="e">author</subfield>
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      <subfield code="a">Ascanio, Meritxell</subfield>
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      <subfield code="c">2023-05-09T16:33:51Z</subfield>
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      <subfield code="c">2023-05-09T16:33:51Z</subfield>
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      <subfield code="c">2023-02-27</subfield>
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      <subfield code="c">2023-05-09T16:33:51Z</subfield>
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      <subfield code="a">Objective:This study aimed to assess the comorbidity profile, use of health care resources and med-ical costs of patients with chronic obstructive pulmonary disease (COPD) treated at the hospital levelin Spain.Methods:Admission records of patients with COPD and at least two admissions registered betweenJanuary 2016 and December 2020 were obtained from a Spanish hospital discharge database and ana-lyzed in a retrospective multicenter study.Results:95,140 patients met the inclusion criteria; 69.1% were males with a median age of 75years.Mean Charlson comorbidity index (CCI) was 1.9 in the index admission, increasing to 2.1 during thefollow-up period. An acute exacerbation of COPD was registered in 93.6% of patients in the indexadmission; other secondary diagnoses included respiratory failure (56.8%), essential hypertension(36.9%), hypercholesterolemia (26.7%) and diabetes (26.3%). The age-adjusted incidence rate of COPDwas 22.6 per 10,000 persons over the study period, decreasing significantly in the year 2020. Mortalityrate was 4.1% for COPD patients, increasing to 6.6% in the year 2020. The year 2020, 191 patients reg-istered a COVID-19 infection, with a mortality rate of 23.0%. Length of hospital stay, and intensive careunit (ICU) stay increased in the follow-up period versus the index admission, similar to admission costs.Mean admission cost wase3212 in the index admission, with cost increases being associated withage, length of stay, ICU stay and CCI.Conclusions:Patients'condition worsened significantly over the follow-up period, in terms of comor-bidity and dependence on respirator, with an increased mortality rate and higher admission costs.</subfield>
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      <subfield code="a">Malalties de l'aparell respiratori</subfield>
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      <subfield code="a">Economia de la salut</subfield>
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      <subfield code="a">Espanya</subfield>
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      <subfield code="a">Respiratory diseases</subfield>
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      <subfield code="a">Medical economics</subfield>
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      <subfield code="a">Hospitals</subfield>
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      <subfield code="a">Spain</subfield>
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      <subfield code="a">Incidence and medical costs of chronic obstructive respiratory disease in Spanish hospitals: a retrospective database analysis</subfield>
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