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The patient data were obtained from the electronic medical records of Peking University Third Hospital in Beijing. Air pollution and meteorological data were obtained from the Institute of Atmospheric Physics of the Chinese Academy of Sciences. Monthly COPD hospital admissions, mortality and air pollution data were analysed using Poisson regression in generalised additive models adjusted for mean temperature, pressure and relative humidity.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>There were positive correlations between sulfur dioxide (SO<jats:sub>2<\/jats:sub>), particulate matter with an aerodynamic diameter \u2264 10\u2009\u03bcm (PM<jats:sub>10<\/jats:sub>) and COPD hospital admissions in the single\u2010pollutant model. An increase of 10\u2009\u03bcg\/m<jats:sup>3<\/jats:sup> in SO<jats:sub>2<\/jats:sub> and PM<jats:sub>10<\/jats:sub> were associated with an increase of 4.053% (95% CI: 1.470\u20135.179%) and 1.401% (95%CI: 0.6656\u20131.850%) in COPD hospital admissions. In the multiple\u2010pollutant model [SO<jats:sub>2<\/jats:sub> and nitrogen dioxide (NO<jats:sub>2<\/jats:sub>) combinations], there was only a positive correlation between SO<jats:sub>2<\/jats:sub> and COPD hospital admissions. An increase of 10\u2009\u03bcg\/m<jats:sup>3<\/jats:sup> in SO<jats:sub>2<\/jats:sub> were associated with an increase of 1.916% (95% CI: 1.118\u20134.286%) in COPD hospital admissions. There was no correlation between three pollutant combinations and COPD hospital admissions.<\/jats:p><jats:p>We did not find correlations between air pollution and COPD mortality in either single\u2010 or multiple\u2010pollutant models.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>SO<jats:sub>2<\/jats:sub> and PM<jats:sub>10<\/jats:sub> may be important factors for the increase in COPD hospital admissions in Beijing, China.<\/jats:p><\/jats:sec>","DOI":"10.1111\/crj.13656","type":"journal-article","created":{"date-parts":[[2023,7,1]],"date-time":"2023-07-01T08:20:20Z","timestamp":1688199620000},"page":"672-683","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Long\u2010term effects of air pollution on hospital admissions and mortality for chronic obstructive pulmonary disease in Beijing, China"],"prefix":"10.1111","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6584-2039","authenticated-orcid":false,"given":"Rui\u2010xia","family":"Zhu","sequence":"first","affiliation":[{"name":"Respiratory Department, Fuxing Hospital Capital Medical University  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jin","family":"Chen","sequence":"additional","affiliation":[{"name":"Respiratory Department, Fuxing Hospital Capital Medical University  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2023,7]]},"reference":[{"key":"e_1_2_12_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140\u20106736(18)30841\u20109"},{"key":"e_1_2_12_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140\u20106736(19)30427\u20101"},{"key":"e_1_2_12_4_1","doi-asserted-by":"publisher","DOI":"10.1164\/rccm.200811\u20101757ST"},{"key":"e_1_2_12_5_1","doi-asserted-by":"publisher","DOI":"10.3109\/15412555.2014.949000"},{"key":"e_1_2_12_6_1","doi-asserted-by":"publisher","DOI":"10.2147\/COPD.S231317"},{"key":"e_1_2_12_7_1","doi-asserted-by":"publisher","DOI":"10.20452\/pamw.16444"},{"key":"e_1_2_12_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.scitotenv.2022.160808"},{"key":"e_1_2_12_9_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10653\u2010022\u201001363\u20100"},{"key":"e_1_2_12_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.envres.2016.03.008"},{"key":"e_1_2_12_11_1","doi-asserted-by":"publisher","DOI":"10.3109\/15412555.2012.744962"},{"key":"e_1_2_12_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.amjms.2020.03.016"},{"key":"e_1_2_12_13_1","doi-asserted-by":"publisher","DOI":"10.1183\/09031936.04.00014304"},{"key":"e_1_2_12_14_1","doi-asserted-by":"publisher","DOI":"10.1164\/rccm.200703\u2010456SO"},{"volume-title":"International classification of diseases, tenth revision","year":"1992","author":"World Health Organisation","key":"e_1_2_12_15_1"},{"key":"e_1_2_12_16_1","doi-asserted-by":"publisher","DOI":"10.7326\/0003\u20104819\u2010147\u20108\u2010200710160\u201000010"},{"key":"e_1_2_12_17_1","unstructured":"Global Strategy for the Diagnosis Management and Prevention of Chronic Obstructive Pulmonary Disease (2023 REPORT)."},{"key":"e_1_2_12_18_1","doi-asserted-by":"publisher","DOI":"10.2147\/COPD.S122282"},{"key":"e_1_2_12_19_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jenvman.2020.110791"},{"key":"e_1_2_12_20_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10661\u2010017\u20106319\u20102"},{"key":"e_1_2_12_21_1","doi-asserted-by":"publisher","DOI":"10.20452\/pamw.16444"},{"key":"e_1_2_12_22_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.envres.2015.10.030"},{"key":"e_1_2_12_23_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10661\u2010020\u201008605\u20107"},{"key":"e_1_2_12_24_1","doi-asserted-by":"publisher","DOI":"10.1080\/15412555.2016.1216956"},{"key":"e_1_2_12_25_1","doi-asserted-by":"publisher","DOI":"10.2147\/COPD.S231317"},{"key":"e_1_2_12_26_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11356\u2010021\u201013180\u20106"},{"key":"e_1_2_12_27_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12199\u2010020\u201000925\u2010x"},{"key":"e_1_2_12_28_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.atmosenv.2013.05.001"},{"key":"e_1_2_12_29_1","doi-asserted-by":"publisher","DOI":"10.1289\/ehp.00108777"},{"key":"e_1_2_12_30_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.ede.0000112210.68754.fa"},{"key":"e_1_2_12_31_1","doi-asserted-by":"publisher","DOI":"10.1080\/15412555.2016.1216956"},{"key":"e_1_2_12_32_1","unstructured":"USEPA.Integrated Science Assessment for Oxides of Nitrogen \u2013 Health Criteria. 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