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Table 1 Summary of included studies in this meta-analysis

From: Meta-analysis of metabolic syndrome and its individual components with risk of atrial fibrillation in different populations

Studies Study design Total case (n) Population MetS rate MetS definition Follow-up, (years) AF rate
Choe-2019 Retrospective cohort study 22,886,663 Korean (aged > 40 years) from the Korean National Health Insurance Service from 2008 to 2013 27.4% NCEP-ATPIII 5.4 0.98%
Kwon-2019 Retrospective cohort study 7,830,602 Korean (aged 30–69 years) from the Korean National Health Insurance Service from 2009 to 2016 15.9% NCEP-ATPIII 7.3 0.26%
Kim-2018 Prospective cohort study 21,981 Korean men from a health screening program from 2003 to 2008 11.5% International Diabetes Federation 8.7 0.8%
Chamberlain-2010 Prospective cohort study 15,094 American (aged 45–64 years) from Atherosclerosis Risk in Communities study from 1987–1989 41.1% AHA/NHLBI 15.4 8.2%
Nyström-2015 Prospective cohort study 4,021 Stockholmer (aged 60 years) from a health-screening study in Stockholm from August 1997 to March 1999 27.6% Other definition standards 13.6 7.1%
Watanabe-2008 Prospective cohort study 28,449 Japanese (aged ≥ 20 years) from an annual health examination at the Niigata Association for Comprehensive Health Promotion and Research 13% for NCEP-ATPIII; 16% for AHA/NHLBI NCEP-ATPIII or AHA/NHLBI 4.5 0.9%
  1. Metabolic syndrome = MetS; National Cholesterol Education Program-Third Adult Treatment Panel = NCEP-ATPIII; American Heart Association and National Heart, Lung, and Blood Institute = AHA/NHLBI