Metabolic syndrome and its components among rheumatoid arthritis patients: A comprehensive updated systematic review and meta-analysis

• Jamal Hallajzadeh,

  Affiliations Department of Community Nutrition, Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran, Managerial Epidemiology Research Center, Department of Public Health, School of Nursing and Midwifery, Maragheh University of Medical Sciences, Maragheh, Iran

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• Saeid Safiri ,

  Contributed equally to this work with: Saeid Safiri, Nahid Karamzad

  * E-mail: saeidsafiri@gmail.com (SS); nahidkaramzad@gmail.com (NK)

  Affiliations Managerial Epidemiology Research Center, Department of Public Health, School of Nursing and Midwifery, Maragheh University of Medical Sciences, Maragheh, Iran, Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

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• Mohammad Ali Mansournia,

  Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

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• Maliheh Khoramdad,

  Affiliation Department of Epidemiology and Biostatistics, Faculty of Health, Kermanshah University of Medical Sciences, Kermanshah, Iran

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• Neda Izadi,

  Affiliation Department of Epidemiology, School of Public Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran

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• Amir Almasi-Hashiani,

  Affiliation Department of Epidemiology and Reproductive Health, Reproductive Epidemiology Research Centre, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran

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• Reza Pakzad,

  Affiliation Department of Epidemiology, Faculty of Health, Ilam University of Medical Sciences, Ilam, Iran

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• Erfan Ayubi,

  Affiliation Department of Public Health, School of Public Health, Zabol University of Medical Sciences, Zabol, Iran

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• Mark J. M. Sullman,

  Affiliation Driving Research Group, Cranfield University, Bedfordshire, United Kingdom

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• Nahid Karamzad

  Contributed equally to this work with: Saeid Safiri, Nahid Karamzad

  * E-mail: saeidsafiri@gmail.com (SS); nahidkaramzad@gmail.com (NK)

  Affiliation Vice-Chancellery for Food and Drug, Maragheh University of Medical Sciences, Maragheh, Iran

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