Flashcards in 19 Evaluation of Screening Programs Deck (9)
What is the #1 harm of screening?
3 harms of screening
Screening tests are not perfect (false positives and false negatives)
Finding cancers that would never have presented clinically
Would have died of something else before it would have been a problem
Treating cancers that would not have lead to premature death
Benefit to screening
Delayed death (decreased mortality rate)
3 cancers we screen for in Canada
"Shift to the left"
Shift the frequency distribution of cancers from stages 2 and 3 to more of 1 and 2
2 ways to evaluate screenin