Pulmonology

PSI / PORT Score (Pneumonia)

30-day mortality risk in community pneumonia.

Education and reference only. Not a substitute for clinical judgement, local policy or product labelling. Always verify before clinical use. Values are calculated in your browser and never stored.

When to use

Use in community-acquired pneumonia to estimate 30-day mortality and support the admit-vs-outpatient decision.

Why use

It is a well-validated severity score that helps identify low-risk patients for outpatient care.

Age (points = age in years) (years)

Female sex

Nursing-home resident

Neoplastic disease

Liver disease

Congestive heart failure

Cerebrovascular disease

Renal disease

Altered mental status

Respiratory rate ≥30

Systolic BP <90

Temperature <35°C or ≥40°C

Pulse ≥125

Arterial pH <7.35

BUN ≥30 mg/dL (urea ≥11 mmol/L)

Sodium <130 mmol/L

Glucose ≥250 mg/dL (≥14 mmol/L)

Haematocrit <30%

PaO₂ <60 mmHg or SaO₂ <90%

Pleural effusion

Advice

Class assignment: ≤70 (I–II), 71–90 (III), 91–130 (IV), >130 (V). Use with clinical judgement, oxygenation and social factors.

Evidence & references

Fine MJ et al. A prediction rule to identify low-risk patients with community-acquired pneumonia. NEJM. 1997.

About the creator

Fine MJ et al.

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