qSOFA
Describe the three qSOFA criteria in adults with suspected infection.
qSOFA
Principle
Describe the three qSOFA criteria in adults with suspected infection.
Scope
Suspected infection in adults outside the ICU. The three observations concern the same clinical assessment.
Interpretation limits
Prognostic assessment in adults with suspected infection. Sepsis screening relies on clinical assessment and recommended tools.
Formula and logic
One point per present criterion; total out of 3.
Interpretation
- 0–1
- Fewer than 2 criteria present
- 2–3
- Increased risk of poor outcomes
- 0–1
- A score below 2 does not exclude sepsis.
Definition version : 1.0.1
Sources
Full references
Singer et al. — Sepsis-3 — opens in a new tab
Sepsis-3 Task Force · 2016
Clinical qSOFA criteria and final definition of altered mentation.
Surviving Sepsis Campaign — Adult guidelines — opens in a new tab
SCCM · ESICM · 2026
Screening scope and limitations of qSOFA used alone.