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Pediatrics
Modified Centor Score (McIsaac) — Strep Throat Risk
Risk stratification for Group A Streptococcal pharyngitis
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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 |
