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Calculator: Westley croup severity score (appropriate for use in children ≤6 years of age)

Calculator: Westley croup severity score (appropriate for use in children ≤6 years of age)

Level of consciousness

Normal, including sleep (0 points)

Disoriented (5 points)

None (0 points)

With agitation (4 points)

At rest (5 points)

None (0 points)

With agitation (1 point)

At rest (2 points)
Air entry

Normal (0 points)

Decreased (1 point)

Markedly decreased (2 points)

None (0 points)

Mild (1 point)

Moderate (2 points)

Severe (3 points)

Important: Inputs must be complete to perform calculation.

Total criteria point count:


Westley croup severity score interpretation

Score Severity Description
0 to 2 Mild Occasional barky cough, no stridor at rest, mild or no retractions
3 to 7 Moderate Frequent barky cough, stridor at rest, and mild to moderate retractions but no or little distress or agitation
8 to 11 Severe Frequent barky cough, stridor at rest, marked retractions, significant distress, and agitation
12 to 17 Impending respiratory failure Depressed level of consciousness, stridor at rest, severe retractions, poor air entry, cyanosis, or pallor

  • Refer to the UpToDate topic reviews on croup for details on diagnosis and management.

Only digits 0 to 9 and a single decimal point (".") are acceptable as numeric inputs. Attempted input of other characters into a numeric field may lead to an incorrect result.

Information on this page may not appear correctly if printed.

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