qSOFA Score Calculator

Calculate quick SOFA (qSOFA) score to identify patients with suspected infection who are at high risk for poor outcomes.

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Important Health Disclaimer

This calculator provides general health information based on standard medical formulas and WHO guidelines. Results are for informational and educational purposes only and should not be considered as professional medical advice, diagnosis, or treatment recommendations.

For health concerns, medical conditions, fitness plans, or dietary decisions, please consult with qualified healthcare professionals, licensed physicians, registered dietitians, or certified fitness trainers who can evaluate your individual health status and medical history.

Individual health needs vary significantly. These calculations are general estimates and may not be appropriate for everyone, especially those with existing medical conditions, pregnant women, children, or elderly individuals.

Not a substitute for professional medical advice

qSOFA Criteria

breaths/min

Threshold: ≥22 breaths/min

mmHg

Threshold: ≤100 mmHg

qSOFA Score

0 / 3

Low Risk

📊qSOFA Score
0/3
📈Mortality Risk
Baseline
Criteria Met
0 of 3
🔬Sepsis Screen
Negative

Recommendation

Continue standard care, but remain vigilant for clinical deterioration.

Clinical Notes

  • qSOFA ≥2 is associated with 3-14x increased mortality
  • Designed for use outside the ICU
  • For ICU patients, use full SOFA score
  • Does not require lab values

qSOFA Interpretation

Criteria

  • Respiratory rate ≥22/min
  • Altered mental status (GCS <15)
  • Systolic BP ≤100 mmHg

When to Use

  • Suspected infection outside ICU
  • Bedside screening tool
  • ≥2 points suggests high risk
  • Serial assessments valuable
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sources

  • World Health Organization (WHO) — Global health metrics, disease classification, and nutritional standards. who.int
  • Centers for Disease Control and Prevention (CDC) — Health statistics, BMI guidelines, and disease prevention data. cdc.gov
  • National Institutes of Health (NIH) — Medical research, clinical guidelines, and health calculators. nih.gov
  • Mayo Clinic — Clinical health information, disease reference, and wellness guidance. mayoclinic.org

For a complete list of all references used across the site, visit our full sources page.

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Editorial Note

MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: WHO Health Metrics Standards

by World Health Organization

🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.