Centor Score Calculator

Free calculate Centor Score (Modified McIsaac) for strep throat assessment. Get instant, accurate results with our easy-to-use calculator.

Centor Criteria

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About Centor Score

  • • Score range: -1 to 5
  • • Score ≤0: Low probability (~1-2%)
  • • Score 1-2: Moderate probability (~5-17%)
  • • Score 3-4: High probability (~32-56%)
  • • Score ≥5: Very high probability (~51%)