Medical Calculators - Meddura.com

Pediatrics

Centor Score (Modified)

Pediatrics

Modified Centor Score (McIsaac) — Strep Throat Risk

Risk stratification for Group A Streptococcal pharyngitis

Age (years)

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Tonsillar exudate or swelling +1 Tender anterior cervical lymphadenopathy +1 Fever >38°C or history of fever +1 Absence of cough +1

Enter age and select criteria

Modified Centor Score

Centor Score Results

Total Score—

GAS Risk—

Recommendation—

Score	GAS Risk	Action
≤0	<2%	No test, no antibiotic
1	5–10%	No test or antibiotic recommended
2	11–17%	RADT; treat if positive
3	28–35%	RADT; consider empiric Rx
≥4	~52%	Empiric antibiotics or RADT