Modified Centor Score
<-- History of fever or measured temperature > 100.4 degrees F
<-- Presence of coughing
<-- Tender anterior cervical nodes
<-- Tonsillar swelling or exudates
<-- Age
Score --> scorescore=(Q1Fever)+(Q2Cough)+(Q3Nodes)+(Q4Tonsil)+(Q5Age)
Interpretation --> Risk of group A beta-hemolytic streptococcus is Risk and Recommendationscore=(Q1Fever)+(Q2Cough)+(Q3Nodes)+(Q4Tonsil)+(Q5Age);score>3?'51 to 53%, consider empiric antibiotic treatment.':score>2?'28 to 35%, perform throat culture or rapid antigen detection testing and treat accordingly.':score>1?'11 to 17%, perform throat culture or rapid antigen detection testing and treat accordingly.':score>0?'5 to 10%, may forego antibiotics OR may perform throat culture or rapid antigen detection testing and treat accordingly.':'1 to 2.5%, antibiotic treatment or further testing is not warranted.'
display/hide references
references:
#1 McIsaac WJ, Goel V, To T, Low DE. The validity of a sore throat score in family practice. CMAJ. 2000 Oct 3;163(7):811-5.
#2 Choby BA. Diagnosis and treatment of streptococcal pharyngitis. Am Fam Physician. 2009 Mar 1;79(5):383-90. Erratum in: Am Fam Physician. 2013 Aug 15;88(4):222.

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