CURB-65 vs PSI vs SMART-COP (Pneumonia Severity Comparison) | Online Free Tool | Elysia Tools
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CURB-65 vs PSI vs SMART-COP (Pneumonia Severity Comparison)
Compare three pneumonia severity scores side-by-side from one set of inputs to support concordance reading. CURB-65 (0-5: Confusion, Urea, RR, BP, age ≥65) — quick bedside triage; PSI/PORT (Fine 1997, 5 risk classes) — the most accurate mortality stratification, more complex; SMART-COP (0-10, 2 points each for SBP <90 and hypoxia, 1 point each for multilobar CXR, albumin <3.5, RR ≥25, tachycardia ≥125, confusion, pH <7.35) — predicts need for ICU respiratory/vasopressor support. Each score has a different focus: CURB-65 is fast; PSI is more precise; SMART-COP identifies who needs ICU. The tool reports each score's total/category/interpretation and an agreement analysis (whether all three point to outpatient/admission/ICU). When scores disagree, favor the more conservative disposition. Derived from Lim 2003, Fine 1997, Charles 2008. Not medical advice.
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Tool usage guide
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Key facts
Category
Health
Input types
number, select, checkbox
Output type
json
Sample coverage
4
API ready
Yes
Overview
Compare CURB-65, PSI/PORT, and SMART-COP pneumonia severity scores from one set of clinical inputs. The tool returns each total, category, interpretation, and an agreement analysis for outpatient care, hospital admission, or ICU-level concern. It is for clinical reference and is not medical advice.
When to use
When assessing community-acquired pneumonia severity with several validated scoring systems.
Result
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When you need to compare rapid CURB-65 triage with the more detailed PSI and ICU-focused SMART-COP score.
When the scores may disagree and you want a side-by-side view to support a more conservative disposition decision.
How it works
1Enter the patient's age and sex, then select applicable clinical findings, vital-sign thresholds, laboratory results, imaging findings, and comorbidities.
2The tool calculates CURB-65, PSI/PORT, and SMART-COP from the same inputs.
3Each result includes a total score, risk category, and interpretation.
4The tool compares the three outputs and reports whether they are concordant for outpatient care, admission, or ICU-level concern.
Use cases
Emergency and acute-care triage for adults with suspected community-acquired pneumonia.
Clinical education comparing the inputs and focus of CURB-65, PSI, and SMART-COP.
Structured review of discordant pneumonia severity assessments before disposition planning.
Examples
1. Severe septic pneumonia with concordant high-risk scores
Emergency clinician
Background
A 70-year-old patient has new confusion, elevated urea, a respiratory rate of 32/min, systolic blood pressure of 85 mmHg, oxygen saturation of 88%, arterial pH of 7.30, multilobar infiltrates, and albumin of 3.0 g/dL.
Problem
Compare three severity tools to assess whether the findings consistently indicate hospital and ICU-level concern.
How to use
Enter age 70, select the relevant confusion, urea, respiratory-rate, blood-pressure, hypoxia, pH, multilobar infiltrate, and low-albumin findings, and leave unrelated findings unselected.
CURB-65 criteria: confusion, urea, RR ≥30, SBP <90, and age ≥65. PSI findings: RR ≥30, SBP <90, urea-related risk, pH <7.35, and hypoxia. SMART-COP findings: SBP <90, hypoxia, multilobar infiltrate, albumin <3.5, RR ≥25, confusion, and pH <7.35.
Outcome
CURB-65 is 5 (high), PSI is Class V, and SMART-COP is 9 (high). The tool reports concordant high risk, supporting hospital admission and consideration of ICU care.
2. Mild pneumonia with concordant low-risk scores
Clinician reviewing outpatient eligibility
Background
A 40-year-old patient has suspected pneumonia, a respiratory rate of 22/min, no listed comorbidities, and no selected abnormal vital-sign, laboratory, or imaging findings.
Problem
Check whether CURB-65, PSI, and SMART-COP produce a consistent low-risk assessment.
How to use
Enter age 40 and male sex, then leave the clinical finding and comorbidity checkboxes unselected.
Age: 40. Confusion: false. Urea: false. RR ≥30: false. RR ≥25: false. SBP <90: false. All other listed findings and comorbidities: false.
Outcome
CURB-65 is 0 (low), PSI is Class I, and SMART-COP is 0 (low). The tool reports concordant low risk and an outpatient-oriented interpretation.
FAQ
What scores does this tool compare?
It compares CURB-65, PSI/PORT, and SMART-COP for pneumonia severity.
What information is required?
Age and sex are required. Other inputs cover symptoms, vital signs, laboratory findings, chest X-ray findings, and selected comorbidities.
What does CURB-65 measure?
CURB-65 uses confusion, urea, respiratory rate, blood pressure, and age 65 or older for rapid bedside triage.
What is SMART-COP designed to identify?
SMART-COP helps identify patients who may need ICU respiratory or vasopressor support.
What should I do if the scores disagree?
Review the individual results and favor the more conservative disposition, with clinical judgment and local guidance.