title: Shock index, modified shock index, and age shock index for prediction of mortality in emergency severity index level 3: Methodological issues.
authors.affiliation: Department of Epidemiology, School of Public Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Epidemiology & Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
authors.forename: Erfan
authors.initials: E
authors.lastname: Ayubi
authors.affiliation: School of Medicine, Zabol University of Medical Sciences, Zabol, Iran. Electronic address: mohadeseh.sani@gmail.com.
authors.forename: Mohadeseh
authors.initials: M
authors.lastname: Sani
authors.affiliation: Department of Epidemiology, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran.
authors.forename: Salman
authors.initials: S
authors.lastname: Khazaei
authors.affiliation: Social Determinants of Health Research Center, Kurdistan University of Medical Sciences, Sanandaj, Iran; Department of Epidemiology, School of Public Health, Iran University of Medical Sciences, Tehran, Iran.
authors.forename: Kamyar
authors.initials: K
authors.lastname: Mansori
mesh_terms: D001794:Blood Pressure; D017052:Hospital Mortality; D006801:Humans; D012720:Severity of Illness Index; D012769:Shock