Data Sources

World Map

UPMC Health System
Pittsburgh, Pennsylvania, USA

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Investigator: Christopher W. Seymour, MD, MSc

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No. of hospitals: 12
Years of cohort: 2010-2012
Total encounters: 1,309,025
Encounters with infection: 148,907
In-hospital mortality: 6,347 (4%)

Kaiser Permanente Northern California
Oakland, California, USA

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Investigator: Vincent Liu, MD, MSc

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No. of hospitals: 20
Years of cohort: 2009-2013
Total encounters: 1,847,165
Encounters with infection: 321,380
In-hospital mortality: 16,092 (5%)

US Veterans Administration Health System
Ann Arbor, Michigan, USA

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Investigator: Theodore J. Iwashyna, MD, PhD

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No. of hospitals: 130
Years of cohort: 2008-2010
Total encounters: 1,640,543
Encounters with infection: 377,325
In-hospital mortality: 22,593 (6%)

ALERTS Cohort Study
Jena, Thuringia, Germany

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Investigator: Frank Brunkhorst, MD

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No. of hospitals: 1
Years of cohort: 2011-2012
Total encounters: 38,098
Encounters with infection: 1,186
In-hospital mortality: 210 (18%)

King County Emergency Medical Services
Seattle, Washington, USA

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Investigator: Thomas D. Rea, MD, MPH

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No. of hospitals: 14
Years of cohort: 2009-2010
Total encounters: 50,727
Encounters with infection: 6,508
In-hospital mortality: 700 (11%)

qSOFA was studied among more than 800,000 electronic health record encounters at 177 hospitals worldwide, including community and academic, rural, suburban, and urban, public, private, and federal hospitals.

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