False Positive Rate from Specificity and Prevalence

Input

Prevalence
Specificity

 

Results

Important: Inputs must be complete to perform calculation.
False Pos
True Neg
False Pos Rate
Decimal Precision

 

Data action

     
 
Include literature references: Yes   No

Equations used


FalsePos = (1 - Specificity) * (1 - Prevalence)
 

TrueNeg = Specificity * (1 - Prevalence)
 

FalsePosRate = 100 * FalsePos / (FalsePos + TrueNeg)
 

References

  1. ACP Journal Club. Definitions relating to data presentation in Theraputics. Ann Int Med. 2019; 171:JC24.
  2. Fletcher RH, Fletcher SW, Fletcher GS. Clinical Epidemiology The Essentials. 5th edition, Lippincott William & Wilkins Baltimore, 2013. NLMN ID: 101585375 NCBI Logo
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