Public Health Flashcards
1
Q
What are the principles for a screening test
A
Condition should be important problem Acceptable treatment available Facilities for diagnosis and treatment Recognised early or latent stage Natural history of disease known Test acceptable to pop Agreed policy how to treat patients
2
Q
What does specificity and sensitivity mean in terms of screening?
A
Sensitivity- probability of a person who has a disease having a positive result
Specificity- probability of a person who doesn’t have a disease testing negative
