Patterns of diabetes mellitus by age, sex, and province among Iranian Hajj pilgrims and health care delivery during 2012–2022: A retrospective study of 469,581 participants

• Pirhossein Kolivand ,

  Roles Conceptualization, Investigation, Supervision, Writing – original draft

  ¶‡ PK, PS and HS Contributed equally as the first authors

  Affiliation Department of Health Economics, Faculty of Medicine, Shahed University, Tehran, Iran

  ⨯
• Peyman Saberian ,

  Roles Data curation, Validation, Writing – original draft

  ¶‡ PK, PS and HS Contributed equally as the first authors

  Affiliation Department of Anesthesiology, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Tehran, Iran

  ⨯
• Hossein Saffari ,

  Roles Conceptualization, Methodology, Writing – original draft

  ¶‡ PK, PS and HS Contributed equally as the first authors

  Affiliation Hasheminejad Kidney Center (HKC), Iran University of Medical Sciences (IUMS), Tehran, Iran

  ⨯
• Taher Doroudi,

  Roles Data curation, Writing – review & editing

  Affiliations Iranian Red Crescent Society, Haj Medical Center, Tehran, Iran, Shefa Neuroscience Research Center, Khatam Al anbia Hospital, Tehran, Iran

  ⨯
• Ali Marashi,

  Roles Conceptualization, Investigation, Validation

  Affiliation Iranian Red Crescent Society, Haj Medical Center, Tehran, Iran

  ⨯
• Masoud Behzadifar,

  Roles Methodology, Visualization, Writing – original draft

  Affiliation Social Determinants of Health Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran

  ⨯
• Fereshteh Karimi,

  Roles Data curation, Writing – original draft, Writing – review & editing

  Affiliation Research Center for Emergency and Disaster Resilience, Red Crescent Society of the Islamic Republic of Iran, Tehran, Iran

  ⨯
• Soheila Rajaei,

  Roles Conceptualization, Data curation, Writing – original draft

  Affiliation Research Center for Emergency and Disaster Resilience, Red Crescent Society of the Islamic Republic of Iran, Tehran, Iran

  ⨯
• Behzad Raei,

  Roles Writing – original draft, Writing – review & editing

  Affiliation Razi Educational and Therapeutic Center, Tabriz University of Medical Science, Tabriz, Iran

  ⨯
• Seyed Jafar Ehsanzadeh,

  Roles Writing – review & editing

  Affiliation English Language Department, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran

  https://orcid.org/0000-0002-2620-7814

  ⨯
• Arash Parvari,

  Roles Data curation, Formal analysis, Software, Validation, Writing – review & editing

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

  ⨯
• Samad Azari

  Roles Conceptualization, Data curation, Validation, Writing – original draft, Writing – review & editing

  * E-mail: Samadazari1010@gmail.com

  Affiliations Hospital Management Research Center, Health Management Research Institute, Iran University of Medical Sciences, Tehran, Iran, Research Center for Emergency and Disaster Resilience, Red Crescent Society of the Islamic Republic of Iran, Tehran, Iran

  https://orcid.org/0000-0003-2781-7793

  ⨯