Centor Score Calculator for Strep Pharyngitis
Centor Score Calculator
The Centor Score is a clinical prediction tool used to estimate the likelihood of Group A Streptococcus (GAS) infection in patients presenting with sore throat (acute pharyngitis). -Centor Score Strep -Pharyngitis
This calculator evaluates key clinical features including tonsillar exudates, tender cervical lymph nodes, fever, absence of cough, and patient age to calculate the Centor or Modified Centor (McIsaac) Score.
Centor Score Interpretation
Score 0–1
Low risk of Group A Streptococcus infection.
- Usually no throat culture or rapid antigen testing required.
- Consider symptomatic treatment.
Score 2–3
Intermediate risk.
- Consider rapid antigen detection testing (RADT) or throat culture.
- Antibiotics may be considered depending on test results and clinical assessment.
Score ≥4
High risk.
- Higher likelihood of Group A Streptococcus infection.
- Further clinical assessment and testing may be required.
Frequently Asked Questions
What is a Centor Score?
The Centor Score is a clinical tool used to estimate the probability of Group A Streptococcus infection in patients with sore throat.
What does a Centor Score of 4 mean?
A score of 4 or more suggests a higher probability of streptococcal infection and may require further clinical evaluation.
Is Centor Score used for children?
The Modified Centor (McIsaac) Score includes age adjustment and can be used in children and adults.
Does Centor Score diagnose strep throat?
No. The score estimates risk but does not confirm infection. Laboratory testing may be required.