Epidemiology Flashcards
1
Q
How to calculate positive predicted value
A
True positive A/(TP +false positive)
A/a+b
2
Q
Low specificity and high specificity means
A
Many false positive and few false positives respectively
3
Q
What kind of study ask questions and interviews from people experiencing something.E.g Drug
A
Qualitative study
4
Q
What is Randomise control trial
A
Control trial where something is introduced.
5
Q
Single and double sided RCT(Random customised test)
A
Single-only one part is aware of the experiment
Double-Both parties are aware
6
Q
What is the value of incidence
A
It is the no of new cases in a particular region during a particular time
7
Q
Relative risk reduction
A
To calculate RRR
Calculate ART and ARC
=ARC-ART/ARC
