The<unk>  <unk>  , or precision rate, is the proportion of individuals with a<unk>  test result who actually have preclinical disease.  It is considered the physician's gold standard, as it reflects the probability that a<unk>  test reflects the underlying condition of interest.
Positive predictive value
Negative predictive value
Sensitivity 
Specificity 
Statistical significance
Dose-response relationship
Measles cost-effectiveness of therapy
Absolute risk reduction