Caries- what makes a good diagnostic test? Flashcards
1
Q
what is a diagnostic test used to?
A
it is to determine the presence or absensce of a disease when a subject shows signs or symptoms of disease.
2
Q
what is a screening test?
A
identifies asymptomatic individuals who may have the disease- assessing the populations risk of acquiring a caries lesion and ability to get it right.
3
Q
what is the equation for sensitivity?
A
True positive / (True Postive- Disease + False Negative- No disease )
4
Q
what is the equation for Speficicity ?
A
True negative/ ( False positive- disease+ True Negative- No disease)