Likelihood Ratio of Negative from Raw Data

Sensitivity = TruePos / (TruePos + FalseNeg)
Specificity = TrueNeg / (TrueNeg + FalsePos)
LRNeg = (1-Sensitivity) / Specificity

True Pos  
False Pos  
True Neg  
False Neg  

LR Neg  
Decimal Precision  

  1. Perera R, Heneghan C. Making sense of diagnostic test likelihood ratios. ACP J Club. 2007 Mar-Apr;146(2):A8-9. PubMed ID: 17335149 PubMed Logo


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