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63 Cards in this Set
- Front
- Back
CEA ratio's involve what in numerator and denominator (COST-EFFECTIVENESS ANALYSIS)
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1)Treatment costs in N (TC)
2)Effects in D (TE) |
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Average CE ratio (ACE)
a)provides what? (2) b)formula c)how is value limited? (COST-EFFECTIVENESS ANALYSIS) |
a1)ESTIMATE of average cost and effect
a2)decription of both costs and consequences of a specific alternative b)TC / TE c)not useful for comparing competing alternatives |
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Incremental Cost-Effectiveness Ratio (ICE)
a)allows for.... (2) (COST-EFFECTIVENESS ANALYSIS) |
a1)comparison of 2 competing (NON-similar) alternatives based on costs and consequences
a2)tells how much paying to get additional successful outcome |
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Marginal Cost-effectiveness ratio (MCE)
a)similar to... b)only... c)what it compares (COST-EFFECTIVENESS ANALYSIS) |
a)similar to ICE
b)only 1 alternative considered c)compares multiple levels of same alternative (like 10mg of drugA vs 20mg of drugA) |
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CEA limitations (5)
(COST-EFFECTIVENESS ANALYSIS) |
1)CE ratio alone is of little value
2)accuracy of ratio is dependent on quality of data used 3)assumpions are made in regards to treatment and cost 4)NO SUCH THING AS AVERAGE PT 5)cannot interpret ratio's generated from different studies |
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Sensitivity analysis fxn in CEA (COST-EFFECTIVENESS ANALYSIS) (4)
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1)helps offset inherent limitations
2)vary key probabilities/costs used in decision process 3)vary assumptions made too 4)TESTS ROBUSTNESS OF RESULTS AND MODEL |
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Interpreting Sensitivity Analysis
a)If Variations have NO impact on decision then.... (3) b)If variations DO impact decision then... (COST-EFFECTIVENESS ANALYSIS) |
a1)model and results are robust
a2)more dependable a3)resistant to changes in data b)must eval how likely that these variations will occur |
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When evaluating a CEA look @.... (5)
(COST-EFFECTIVENESS ANALYSIS) |
1)perspective
2)alternatives evaluated 3)outcomes 4)costs 5)#/type of sensitivity analyses |
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CMA revolves around...
(MINIMIZATION) |
DETERMINING EQUIVALENCE
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CMA def
a)def (3) b)consequences must... c)objective d)incorrectly referred to as... (MINIMIZATION) |
a1)pharmacoeconomic tool
a2)compares all relevant costs and consequences (w/ same units and must be =) a3)compare 2 or more therapeutic alternatives b)MUST BE EQUAL c)choose the least costly alternative d)cost analysis |
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Methods for CMA (5 of about 10) (MINIMIZATION)
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1)search literature to make sure products are =
2)define problem 3)establish study perspective 4)Determine Alternatives/outcomes 5)probability of outcomes |
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CMA vs. CEA
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CMA- costs in $; effects in natural units; effects equivalent
CEA- costs in $; effects in nautral units; effects NOT equivalent |
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Definition of the MAIN problem in CMA (MINIMIZATION)
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least costly alternative
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Algorithm to determine if CMA, Cost analysis, CEA, CBA, CUA
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Are Outcomes considered
YES)Are Outcomes equivalent? NO)Cost Analysis Are outcomes equivalent YES)CMA NO)CEA, CBA, CUA |
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____ limits application of CMA and some outcomes measures (4)
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1)equivalent outcomes
1)brand vs. generic 2)ROA w/ same drug 3)different setting w/ same drug 4)therapeutic equivalent drugs |
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Besides equivalence what must also be considered w/ CMA? (3)
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1)negative outcomes
2)impact on outcome 3)cost to treat |
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How to determine equivalence in CMA? (3)
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1)no single method
2)statistical evidence best 3)in published literature |
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Statistical equivalence can be due to....
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small sample size
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Clinical study when determining equivalence should be.... (2)
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1)same elgibility criteria across studies
2)same research design across studies |
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All ____ must be considered
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ALL REVELANT EQUIVALENTS
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____ of analysis must be considered too
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TIMELINE
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Cost measurement in a CMA is divided into 2 categories
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1)resource utilization units
2)labor cost should be included |
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Most common perspective in CMA
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PAYER
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Results of CMA are expressed in....
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TOTAL COSTS broken down by category
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CMA applications (4)
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1)generic vs. brand
2)different routes of admin for a drug 3)different settings for a drug 4)therapeutic equivalents EQUIVALNCE!!! |
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Evaluating CMA (3)
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1)look @ perspective
2)therapeutic evidence of equivalence proven 3)make sure costs are correct via ID and valuation |
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Def of CBA (cost-benefit analysis)
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compares value of all resources consumed in an intervention against the value of the outcome from the intervention
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2 main characteristics of method (CBA)
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1)values outcomes of alternatives in MONETARY terms NOT natural units
2)lets you compare anything to anything regardless of outcomes being measured |
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Valuation of outcomes are in equivalent...
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MONETARY units
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What is a COST ANALYSIS?
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tells which is cheapest, doesn't care about anything else
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Scope of CBA
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broad/societal
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Adv of CBA over CEA, CUA, CMA
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those 3 do NOT lend themselves to determining whether or not a program should be implemented or continued
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CBA allows comparison of...
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investment costs and returns in dollars
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CBA most appropriate when.. (2)
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1)objective are broad in scope
2)when alt. outcomes are NOT equivalent and can easily be converted to $ |
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Externality def
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when axns of of one individual interferes w/ the actions of another individual
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(-) externality ex
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threat of illness to healthy ppl posed by communicable diseases
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(+) externality ex
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immunizations provide herd immunity
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CBA methods (6)
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1)determine perspective (usually societal)
2)ID and value costs and benefits 3)determine total benefits and total costs 4)calc net benefit, net present value 5)interpret data 6)sensitivity analysis |
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What can bias CBA cost data (2)
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1)not including all relevant costs can bias results to favor implementation
2)including irrelevant costs can bias results against implementation |
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Retrospective vs. prospective collection of cost data in CBA (2)
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1)retro is convenient and available but not captured for economic research
2)pro is collected just for the economic research project |
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IDing benefits in a CBA
a)heavily dependent on... b)includes...(3) |
a)perspective taken
b1)direct b2)indirect b3)intangible benefits |
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Direct benefits in a CBA (2)
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1)personal health- reductions in morbidity and mortality
2)resource- savings in resource utilization thru MD visit reductions, etc |
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Valuation of cost and benefits in CBA (2)
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1)valuation in $
2)based on opportunity cost |
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2 types of valuing direct benefits
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1)personal health benefits
2)medical resource benefits |
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If a personal health benefits saves a life you must eval...
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value of life saved thru human capital approach and WTP
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Human capital approach of valuing direct benefits in a CBA
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output or productivity, value of life based on contribution to society
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WTP approach of valuing direct benefits in a CBA (and 1 disadv)
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1)based on amt an person would pay to reduce a risk
2)difficult to apply |
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Direct medical resounce benefits in CBA (3)
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1)savings in resource utilization
2)capture value of decr utilization of all aspects of HC resources 3)comes thru estimation of costs averted |
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ex of estimation of direct medical resource benefits
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Est. cost of treating disease w/o intervention minus the cost of treating disease w/ the intervention
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Valuing indirect benefits in a CBA (2)
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1)measure productivity gains from HC interventions
2)measure interventions ability to return sick back to workforce |
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Valuing intangible benefits in CBA (3)
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1)difficult
2)should NOT be backbone of alternative selection 3)WTP method incorporates intangible benefits |
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Presentation of results of CBA via... (5)
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1)net benefit
2)net present value NPV 3)ratio analysis 4)internal rate of return 6)discounting |
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Net benefit presentation of results in CBA (2)
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1)most common
2)choose one w/ largest benefit |
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Net present value presentation of results in CBA (4)
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1)if benefit extends beyone ONE YEAR then net benefit must be adjusted
2)sum of all benefits minus sum of all costs discounted by interest 3)TELLS PRESENT VALUE TODAY 4)choose one alternative w/ greatest NPV |
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Ratio analysis presentation of results in CBA (1 and 2ex)
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1)calc ratio fo benefits to costs or v.v.
2)exB:C = 2:1; for every $2 benefit requires $1 investment 3)exC:B = 0.5:1; for every 50cents invested gain $1 benefit |
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Internal rate of return presentation of results in CBA (1 and 3ex)
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1)determines interest rate @ which net benefits are = to 0
2)If IRR is GREATER return from investment in the alternative is better than if $ were invested elsewhere 3)if IRR is EQUAL, indifference 4)if IRR is LESS, better to invest elsewhere |
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Net Benefit vs. Ratio in presenting a CBA (2)
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1)net benefit most preferred method of presenting results
2)ratio's do not provide indication of magnitude of benefits or costs involved |
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Discounting presentation of results in CBA (5)
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1)when cost/benefits extend beyond 1 year
2)based on time preference for money 3)prefer to receive dollar now rather than later 4)willing to recieve less money if we can recieve it earlier 5)failure to discount could bias result |
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Discount rate (2)
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1)no consensus on choice of rate
2)5% commonly used |
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Evaluating the outcome of CBA look @... (2)
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1)measurement
2)valuation |
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Evaluating the costs of CBA look @... (2)
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1)ID all costs incurred (direct, indirect, etc)
2)ID economic benefits 3)valuing |
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Sensitivity analysis for what in a CBA (3)
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1)indirect/intangible costs
2)discount rate 3)outcome valuation |
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CBA used a lot w/...
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disease specific intervention (smoking, DM, childhood injury
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