{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,18]],"date-time":"2026-06-18T18:59:22Z","timestamp":1781809162477,"version":"3.54.5"},"reference-count":46,"publisher":"BMJ","issue":"7","license":[{"start":{"date-parts":[[2023,7,14]],"date-time":"2023-07-14T00:00:00Z","timestamp":1689292800000},"content-version":"unspecified","delay-in-days":13,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Open"],"accepted":{"date-parts":[[2023,6,15]]},"published-print":{"date-parts":[[2023,7]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>Evidence on the association of oxidative balance score (OBS) and visceral adiposity index (VAI) with risk of ischaemic heart disease (IHD) is limited. We aimed to explore the association of OBS and VAI with risk of IHD, and then examined their potential interactive effects.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>A cross-sectional study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Setting<\/jats:title>\n                    <jats:p>The National Health and Nutrition Examination Survey.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Participants<\/jats:title>\n                    <jats:p>A total of 27\u2009867 individuals aged more than 20 years were included in this study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Primary and secondary outcome measures<\/jats:title>\n                    <jats:p>Multivariable logistic regression analyses were used to estimate ORs and 95% CIs for the associations of OBS and VAI with risk of IHD, including coronary heart disease (CHD), heart attack and angina pectoris.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Compared with those in the first quintile, participants with highest quintile of OBS had decreased risk of IHD (OR: 0.59, 95%\u2009CI: 0.50, 0.69), CHD (OR: 0.65, 95%\u2009CI: 0.52, 0.80), heart attack (OR: 0.53, 95%\u2009CI: 0.43, 0.66) and angina pectoris (OR: 0.63, 95%\u2009CI: 0.48, 0.82); meanwhile, those with highest quintile of VAI had increased risk of IHD (OR: 1.46, 95%\u2009CI: 1.22, 1.74), CHD (OR: 1.34, 95%\u2009CI: 1.07, 1.67), heart attack (OR: 1.55, 95%\u2009CI: 1.24, 1.94) and angina pectoris (OR: 1.40, 95%\u2009CI: 1.04, 1.87). Furthermore, we observed a stronger association between OBS and risk of IHD among participants with VAI \u22651.73 (OR: 0.50, 95%\u2009CI: 0.40, 0.62).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Our study found the negative association between OBS and risk of IHD, and positive association between VAI and risk of IHD. In addition, we found the interactive effects between VAI and OBS on the risk of IHD, underlining the importance of OBS in IHD prevention among participants with high VAI level.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/bmjopen-2023-072334","type":"journal-article","created":{"date-parts":[[2023,7,14]],"date-time":"2023-07-14T11:20:19Z","timestamp":1689333619000},"page":"e072334","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":31,"title":["Associations of oxidative balance score and visceral adiposity index with risk of ischaemic heart disease: a cross-sectional study of NHANES, 2005\u20132018"],"prefix":"10.1136","volume":"13","author":[{"given":"Siyuan","family":"Cheng","sequence":"first","affiliation":[{"name":"Department of Cardiology, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong, 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