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        <datestamp>2026-09-17T02:25:59Z</datestamp>
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          <dc:title>Data and code: COPD burden attributable to outdoor particulate matter in adults aged 60 years and older, GBD 2021 and GBD 2023</dc:title>
          <dc:creator>Zhenghao Wang (23729457)</dc:creator>
          <dc:creator>Yunkai Wang (23730328)</dc:creator>
          <dc:subject>Public health not elsewhere classified</dc:subject>
          <dc:subject>COPD</dc:subject>
          <dc:subject>GBD 2023</dc:subject>
          <dc:subject>Global Burden of Disease</dc:subject>
          <dc:subject>Particulate Matter</dc:subject>
          <dc:subject>ASMR</dc:subject>
          <dc:subject>Older adults</dc:subject>
          <dc:subject>health ineqaulities</dc:subject>
          <dc:subject>GBD 2021</dc:subject>
          <dc:description>&lt;p dir="ltr"&gt;Data and code for the manuscript "Post-2020 trends in COPD mortality attributable to outdoor particulate matter among adults aged 60 years and older differ between the Global Burden of Disease 2021 and 2023 releases".&lt;/p&gt;&lt;p dir="ltr"&gt;&lt;br&gt;&lt;/p&gt;&lt;p dir="ltr"&gt;Contains the GBD 2023 and GBD 2021 Results tool extracts (COPD deaths and DALYs attributable to ambient particulate matter pollution, adults aged 60 years and older), GBD 2023 Socio-Demographic Index values, the series used to estimate the age-standardization weights, Joinpoint inputs, session files and exports, the derived series and tables, and numbered Python and R scripts that reproduce all tables and figures. See README.txt for file descriptions and the order in which to run the scripts.&lt;/p&gt;&lt;p dir="ltr"&gt;&lt;br&gt;&lt;/p&gt;&lt;p dir="ltr"&gt;This version supersedes version 3, which was prepared for an earlier version of the manuscript.&lt;/p&gt;&lt;p dir="ltr"&gt;&lt;br&gt;&lt;/p&gt;&lt;p dir="ltr"&gt;GBD estimates and SDI values are produced by the Institute for Health Metrics and Evaluation and are subject to its terms of use. Code and derived files: CC BY 4.0.&lt;/p&gt;</dc:description>
          <dc:date>2026-04-15T07:56:22Z</dc:date>
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