Decision Analysis

Question 1

DECISION ANALYSIS

A systematic, ___________ approach for assessing
the relative value of one or more decision options.

Decision trees are used to graphically represent
the________________

Answer 1

quantitative

choices

Question 2

STEPS IN DECISION ANALYSIS

Identify the specific __________
✓ What is the perspective?
✓ What are the competing options?
✓ Over what period of time?

Answer 2

decision

Question 3

STEPS IN DECISION ANALYSIS

Draw the structure _________

✓ Boxes: choice nodes (Drug A vs Drug B)
✓ Circles: chance nodes (e.g., probabilities of side
effects )
✓ Triangles: termination nodes (e.g., success vs
failure)

Answer 3

over time

Question 4

STEPS IN DECISION ANALYSIS
Assess the _______________
✓ Use past literature, experts panels
✓ Use reasonable ranges for uncertain probabilities

Answer 4

probabilities

Question 5

STEPS IN DECISION ANALYSIS

Determine the value of each ____________

Options must have the same type of outcomes
(e.g., QALYs vs QALYs)

Can look at costs and effectiveness in the same
model

Answer 5

outcome

Question 6

STEPS IN DECISION ANALYSIS
Conduct a ___________

Choose those values and probabilities that are
most uncertain or those where a small difference
has a big impact on the results

Use reasonable ranges

Calculate threshold values

Answer 6

sensitivity analysis

Question 7

DECISION TREES

Advantages

_________ & transparent

Excellent for clarifying ___________ treatment pathways

Answer 7

simple

alternative

Question 8

DECISION TREES

Disadvantages

Difficult to incorporate disease _________ for chronic conditions

Answer 8

recurrence