Economic Analysis Flashcards
What is the relationship between quality and cost?
inherant association
quality increase=cost increase
-except at some point quality plateuas and then declines slightly as cost keeps increasing
What are the 3 major types of economic analysis?
Cost minimization
Cost Effectiveness
Cost benefit
What is cost minimization?
Two interventions with the same benefit but different costs
What is cost effectiveness?
Interventions with different costs and different benefits
-measured in outcomes (not dollars): lives saved, number not injured, etc.
Cost utility: outcomes in terms of QALY
-measured via VAS (dead vs. perfect health) or EQ5D (range from -.11 to 1)
ICER: cost per QALY for given treatment
- cost/change in QOLxtime
- willingness to pay cutoff usually 1 QALY $ amount
What is cost benefit?
Compare cost/benefits in terms of dollars
-rare in health care
What are the 10 steps in cost-effectiveness analysis?
- define project
- determine perspective of analysis
- define target population
- select intervention/comparator
- decide how long data needs to be collected
- determine health outcomes in both groups
- determine costs for both groups- direct, indirect, and intangible costs
- conduct analysis that compares benefit in outcomes AND costs
- Conduct sensitivity analysis
- due to large amount of estimates involved- use tornado
What are cost-effectiveness planes- Monte carlo (bootstrap)
cost-effectiveness and cost-utility analysis
X axis=QALY
Y axis= cost
Ideal scenario: - cost +QALY
Consider: + both
Worst: + cost -QALY
What is a tornado diagram?
Sensitivity analysis that estimates the contribution of each variable
- shows ICE ($/QALY) contribution
- shows change in $ value if input variables is changed from highest to lowest value
What is the Cost-effectiveness Acceptability Curves?
CEAC
- Analysis in light of willingness to pay
- shows at whatever $ amount willing to pay the probability it’s effective for different interventions
How do you appraise the applicability of these studies?
2 questions
Can patient expect similar COSTS?
Can patient expect similar RESULTS?
How do you asses internal validity of studies?
6 questions
- Did research question clearly/accurately define options compared?
- Was perspective of analysis defined?
- societal, individual, organizational? - Was there a good sample?
- Was there appropriate oucome measurement?
- Was there appropriate cost measurement/value?
- Was there a sensitivity analysis (tornado)?
- appropriate allowance made for uncertainties in evaluation by including sensitive variations of variables