Evidence-Based Practice Flashcards
1
Q
What is Berkson bias?
A
Berkson bias is when patients for both control and cases are selected from the HOSPITAL population not the general population
2
Q
What is recall bias?
A
Recall bias is when those that have been exposed have a greater likelihood of recalling exposure
3
Q
How do you calculate the number needed to treat (NNT) of an intervention?
A
1 / Absolute Risk Reduction
(rounded to the nearest whole number)
4
Q
A
5
Q
What is the number needed to benefit for the shingles vaccine in older adults?
A
50
(need to vaccinate 50 people to prevent 1 case of shingles)