STATs Flashcards
1
Q
What is an Odds Ratio? Calculation?
A
Probability an event will occur with exposure VS probability event will occur absent to exposure.
AxD / BxC
2
Q
How do you calculate absolute risk?
A
Risk of event / relative risk
3
Q
What is the calculation for Positive Predictive Value?
A
TP/(TP+FP)
4
Q
What is the calculation for Negative Prediction Value?
A
TN/(TN+FN)
5
Q
How do you calculate Number Needed to Treat?
A
100 / (control event rate - experimental event rate)
Round to the nearest whole number.
6
Q
How do you calculate sensitivity?
A
TP / (TP+FN)
7
Q
How do you calculate Specificity?
A
TN / (TN+FP)
8
Q
A
