PSI/PORT score calculator

PSI/PORT Score

PSI/PORT Score for Community-Acquired Pneumonia

Demographics	Value
Age (years)
Female sex (−10 points)	1 No   Yes
Comorbidities	Points
Nursing home resident (+10)	1 No   Yes
Neoplastic disease (+30)	1 No   Yes
Liver disease (+20)	1 No   Yes
CHF (+10)	1 No   Yes
Cerebrovascular disease (+10)	1 No   Yes
Renal disease (+10)	1 No   Yes
Physical Exam	Points
Altered mental status (+20)	1 No   Yes
Respiratory rate ≥30 (+20)	1 No   Yes
Systolic BP <90 (+20)	1 No   Yes
Temperature <35 or ≥40°C (+15)	1 No   Yes
Pulse ≥125 (+10)	1 No   Yes
Labs/Imaging	Points
pH <7.35 (+30)	1 No   Yes
BUN ≥30 (+20)	1 No   Yes
Sodium <130 (+20)	1 No   Yes
Glucose ≥250 (+10)	1 No   Yes
Hematocrit <30% (+10)	1 No   Yes
PaO₂ <60 (+10)	1 No   Yes
Pleural effusion (+10)	1 No   Yes
PSI Score

Interpretation — Risk Class & 30-day Mortality

≤50 (Class I)	0.1% mortality — Outpatient treatment.
51–70 (Class II)	0.6% mortality — Outpatient treatment.
71–90 (Class III)	2.8% mortality — Brief inpatient observation.
91–130 (Class IV)	8.2% mortality — Inpatient treatment.
>130 (Class V)	29.2% mortality — Inpatient/ICU.

References

Fine MJ, et al. A prediction rule to identify low-risk patients with community-acquired pneumonia. N Engl J Med. 1997;336(4):243-250. PMID 8995086.