Card Set Information
Prob that screening test is (+) for Pt with Dz?
: A / (A+C)
Prob that Pt w (-) test, doesn't have Dz?
: Negative Predictive Value (NPV)
: D / (C+D)
Prob that a test will be (-) in Pt w/o Dz?
: D / (B+D)
Prob that a test(+) Pt actually has the Dz?
: Positive Predictive Value (PPV)
: A / (A+B)
What are the odds of exposure among Pts w a Dz, Vs, odds of exposure among Pt w/o Dz?
: Odds Ratio (OR)
: Determined through case-control studies
Describe the frequency of an event
Terms describing magnitude of an effect
Number needed to treat:
Terms describing Quality of Meas
Measures of diagnostic test performance
Expressions used when making inferences about data
Randomized controlled trial (intention to treat):