{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,29]],"date-time":"2026-08-29T03:08:34Z","timestamp":1787972914852,"version":"build-2784847793"},"reference-count":36,"publisher":"Public Library of Science (PLoS)","issue":"6","license":[{"start":{"date-parts":[[2023,6,23]],"date-time":"2023-06-23T00:00:00Z","timestamp":1687478400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS ONE"],"abstract":"<jats:sec id=\"sec001\">\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>Interstitial lung disease (ILD) is frequent in patients with rheumatoid arthritis (RA) and is a potentially life-threatening complication with significant morbidity and mortality. This meta-analysis aims to systematically determine the factors associated with the development of rheumatoid arthritis\u2013related interstitial lung disease (RA-ILD).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"sec002\">\n                    <jats:title>Materials and methods<\/jats:title>\n                    <jats:p>All primary studies which reported the factors associated with of RA-ILD were eligible for the review except case reports. The Cochrane Library, PubMed, Embase, Web of Science, Chinese Biological Medicine Database (CBM), China National Knowledge Infrastructure (CNKI), and WANFANG electronic databases were searched through to December 30, 2022, for studies investigating the factors associated with RA-ILD. The methodological quality assessment of the eligible studies was performed using the Newcastle-Ottawa Scale (NOS). 2 reviewers extracted relevant data independently. Then, weighed mean differences (WMDs) or pooled odds ratios (ORs) and corresponding 95% confidence intervals (CIs) were obtained for the relationships between the factors and RA-ILD. The statistical meta-analysis, subgroup and sensitivity analyses were performed using the Review Manager 5.3, and publication bias with Egger\u2019s test were performed using the Stata12.0 software.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"sec003\">\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      A total of 22 articles were screened for a meta-analysis which involved 1887 RA-ILD patients and 8066 RA without ILD patients. Some identified factors that were associated with an increased risk of RA-ILD included male sex (OR = 1.92, 95% CI: 1.54\u20132.39;\n                      <jats:italic>P<\/jats:italic>\n                      &lt; 0.00001), older age (WMD = 5.77 years, 95% CI: 3.50\u20138.04;\n                      <jats:italic>P<\/jats:italic>\n                      &lt; 0.00001), longer duration of RA (WMD = 0.80 years, 95% CI 0.12\u20131.47;\n                      <jats:italic>P<\/jats:italic>\n                      = 0.02), older age at onset of RA (WMD = 6.41 years, 95% CI: 3.17\u20139.64;\n                      <jats:italic>P<\/jats:italic>\n                      = 0.0001), smoking (OR = 1.69, 95% CI: 1.30\u20132.18;\n                      <jats:italic>P<\/jats:italic>\n                      &lt; 0.0001). Five factors of laboratory items associated with the development of RA-ILD were evaluated in the meta-analysis. Compared with RA without ILD patients, positive rheumatoid factor (RF) (OR = 1.72, 95% CI: 1.47\u20132.01;\n                      <jats:italic>P<\/jats:italic>\n                      &lt; 0.00001) and positive anti-citrullinated protein antibodies (ACPA) (OR = 1.58, 95% CI: 1.31\u20131.90;\n                      <jats:italic>P<\/jats:italic>\n                      &lt; 0.00001) increased the risk of RA-ILD. Meanwhile, RF titer (WMD = 183.62 (IU\/mL), 95% CI: 66.94\u2013300.30;\n                      <jats:italic>P<\/jats:italic>\n                      = 0.002) and ACPA titer (WMD = 194.18 (IU\/mL), 95% CI: 115.89\u2013272.47;\n                      <jats:italic>P<\/jats:italic>\n                      &lt; 0.00001) were significantly associated with increased risk of RA-ILD. Elevated erythrocyte sedimentation rate (ESR) (WMD = 7.41 (mm\/h), 95% CI: 2.21\u201312.61;\n                      <jats:italic>P<\/jats:italic>\n                      = 0.005) and C-reactive protein (CRP) (WMD = 4.98 (mg\/L), 95% CI: 0.76\u20139.20;\n                      <jats:italic>P<\/jats:italic>\n                      = 0.02) were also significantly associated with the development of the RA-ILD, whereas antinuclear antibody (ANA) positive status was not significantly associated with increased risk of RA-ILD (OR = 1.27, 95% CI: 1.00\u20131.60;\n                      <jats:italic>P<\/jats:italic>\n                      = 0.05).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"sec004\">\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>This meta-analysis showed that male gender, older age, longer duration of RA, older age at onset of RA, smoking, positive RF, positive ACPA, elevated RF titer, elevated ACPA titer, higher ESR and higher CRP were associated with RA-ILD.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1371\/journal.pone.0286191","type":"journal-article","created":{"date-parts":[[2023,6,24]],"date-time":"2023-06-24T05:40:34Z","timestamp":1687585234000},"page":"e0286191","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":40,"title":["Factors associated with interstitial lung disease in patients with rheumatoid arthritis: A systematic review and 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cohort","volume":"77","author":"SG Ong","year":"2022","journal-title":"The Medical journal of Malaysia"},{"issue":"6","key":"pone.0286191.ref011","first-page":"e20220145","article-title":"Assessment of risk factors in patients with rheumatoid arthritis-associated interstitial lung disease","volume":"48","author":"CR Severo","year":"2022","journal-title":"Jornal brasileiro de pneumologia: publicacao oficial da Sociedade Brasileira de Pneumologia e Tisilogia"},{"issue":"5","key":"pone.0286191.ref012","doi-asserted-by":"crossref","first-page":"656","DOI":"10.3899\/jrheum.200863","article-title":"Lifestyle and Clinical Risk Factors for Incident Rheumatoid Arthritis-associated Interstitial Lung Disease","volume":"48","author":"VL Kronzer","year":"2021","journal-title":"The Journal of rheumatology"},{"key":"pone.0286191.ref013","doi-asserted-by":"crossref","first-page":"11795441211028747","DOI":"10.1177\/11795441211028747","article-title":"Interstitial Lung Disease and its Associations in Rheumatoid Arthritis: Data from a District General Hospital in Sri Lanka.","volume":"14","author":"G. 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