Internal Medicine
Centor Score
Estimates probability of streptococcal pharyngitis.
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Parameters
Centor Score Result
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Formula
Sum of the clinical criteria points (0 or +1) plus age modifier (+1, 0, or -1).Clinical Pearls
The Modified Centor Score is widely used to prevent the over-prescription of antibiotics for viral sore throats.
Normal Values / Reference
Normal is not applicable, but a score of 0 or less indicates very low probability of strep.
Limitations
Not applicable to patients under 3 years old. Less accurate in populations with low strep prevalence.