About This Calculator
Author
Robert M. Centor (modified by McIsaac)
First Published
1981
Evidence
Guideline-endorsed (IDSA)
Category
Emergency Medicine
Original Study
The diagnosis of strep throat in adults in the emergency room (Med Decis Making, 1981)
About
The Modified Centor (McIsaac) score estimates probability of group A streptococcal pharyngitis using age, fever, tonsillar exudate, tender cervical nodes, and absence of cough.
Clinical Use
Acute pharyngitis in patients >=3 years. Low scores may avoid testing; high scores may warrant rapid antigen testing.
