Diagnostic Test Flashcards
What is a gold standard
A method that is established or widely accepted accuracy for determining a diagnosis that provides a standard to which a new screening or diagnostic test can be compared
What is the definition of sensitivity
The proportion of patients with a positive test result amongst those with the target condition
What is the definition of specificity
The proportion of patients with a negative test result amongst those without the target condition
What is the definition of PPV
The proportion of patients with a positive test who have the disease
What is the definition of negative predictive value
What is the definition of likelihood ratio+
What are three reasons that likelihood ratio + are preferred to positive predictive value
What is the definition of likelihood ratio -
