How accurate is Centor criteria?

How accurate is Centor criteria?

As a decision rule for considering antibiotic prescribing (score ≥ 3), the Centor score has reasonable specificity (0.82, 95% CI 0.72 to 0.88) and a post-test probability of 12% to 40% based on a prior prevalence of 5% to 20%.

What is the patient’s score using Centor?

Centor criteria A score of 0, 1 or 2 is thought to be associated with a 3 to 17% likelihood of isolating streptococcus. A score of 3 or 4 is thought to be associated with a 32 to 56% likelihood of isolating streptococcus.

What is the modified Centor score?

The Modified Centor Score (also known as the McIssac Score or the McIssac Modification of the Centor Score) helps predict the probability of streptococcal pharyngitis by taking into consideration risk factors such as patient’s age, symptoms, and physical exam.

What are the four Centor criteria?

The four components of the Centor Criteria are: fever, tonsillar exudate, anterior cervical lymphadenopathy, and absence of cough. The Centor Criteria was originally validated in patients 15 years of age and older.

How do you use Centor criteria?


  1. -1, 0 or 1 point(s) – No antibiotic or throat culture necessary (risk of strep. infection <10%)
  2. 2 or 3 points – Should receive a throat culture and treat with an antibiotic if culture is positive (risk of strep. infection 32% if 3 criteria, 15% if 2)
  3. 4 or 5 points – Consider rapid strep testing and or culture.

What is the Centor criteria for sore throat?

Introduction. Centor criteria (fever >38.5°C, swollen, tender anterior cervical lymph nodes, tonsillar exudate and absence of cough) are an algorithm to assess the probability of group A β haemolytic Streptococcus (GABHS) as the origin of sore throat, developed for adults.

What is a positive Centor score?

In adults, the positive predictive value of the Centor criteria for predicting GAS pharyngitis is around 40% if 3 criteria are met, and about 50% if 4 criteria are met. These criteria along with other clinical features should be used to guide treatment for pharyngitis in adults.

How do you interpret a Centor criteria?

When do we use Centor criteria?

Use only in patients with recent onset (≤3 days) acute pharyngitis. Children with pharyngitis, primarily; the risk of GAS decreases significantly with age into adulthood. The Centor Score correlates directly with risk of positive throat culture for GAS (Group A Streptococcus).

What does Centor score stand for?

Who created Centor criteria?

One of the most common was developed by Dr. Robert Centor and is known as the “Centor Criteria.”4 The criterion in adults looks at four characteristics: Presence of fever. Presence of tender cervical adenopathy.