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effectivehealthcare.ahrq.gov/sites/default/files/pdf/choice-of-mean_white-paper.pdf
April 01, 2015 - An Empirical Evaluation of the Impact of Choice of Mean Difference Estimates … An Empirical Evaluation of the Impact of Choice of Mean Difference Estimates
Prepared for: … An Empirical
Evaluation of the Impact of Choice of Mean Difference Estimates. … An Empirical
Evaluation of the Impact of Choice of Mean Difference
Estimates
Structured Abstract … In addition, we evaluated
how different random effect models might affect the impact of the choice of
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effectivehealthcare.ahrq.gov/products/choice-of-mean/white-paper
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/ehc-presentation-quantitative-synthesis-chapter-3.pdf
February 01, 2018 - Choice of Statistical Model for Combining Studies
Quantitative Synthesis
Chapter 3. … Choice of Statistical Model for Combining Studies
Prepared for:
The Agency for Healthcare Research and … Choosing a model
• Factors affecting model choice include:
► Number and size of included studies
► Type … In this case the binomial distribution is not well-approximated by the normal
distribution; model choice … Choice of Statistical Model for Combining Studies
Slide Number 2
Statistical models for meta-analysis
-
effectivehealthcare.ahrq.gov/sites/default/files/ebc-challenge-2ndplace-paws.pdf
May 29, 2025 - P A W S, Prescription for Antibiotics or Wait and See: Ear Infections: Are Antibiotics the Right Choice … W S
Prescription for
Antibiotics or
Wait and See
Ear Infections
Are Antibiotics the Right
Choice … Your health care provider will help you
decide if medicine is a good choice for you.
3.
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effectivehealthcare.ahrq.gov/sites/default/files/comparator-selection-in-observational-chapter-5.pptx
January 01, 2013 - Choice of time 0, particularly with no treatment or usual care, should be carefully considered in light … Introduction
Introduction
In comparative effectiveness research, the choice of comparator directly … Consequences of Comparator Choice (1 of 2)
Consequences of Comparator Choice (1 of 2)
Confounding … (2 of 2)
Consequences of Comparator Choice (2 of 2)
In the context of selecting comparison groups … Choice of time scale and its effect on significance of predictors in longitudinal studies.
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effectivehealthcare.ahrq.gov/sites/default/files/suppl-1-user-guide-to-ocer_130129.pdf
January 01, 2011 - In contrast, objective 5 is defined with respect
to the patient subset whose choice of T relative
to … In contrast, if treatment choice
was based on expected treatment effectiveness
and the patients who … and outcomes, relative to the factors that affect
either treatment choice or outcomes. … Certain factors affecting
treatment choice have direct effects on outcome
(X
3
). … Interpreting treatment-
effect estimates with heterogeneity and choice:
simulation model results.
-
effectivehealthcare.ahrq.gov/sites/default/files/ch_5-user-guide-to-ocer_130129.pdf
January 01, 2012 - Consequences of Comparator
Choice
Confounding
Confounding arises when a risk factor for the
study … It is therefore vital to
appreciate the relationship between confounding
and comparator choice. … A
critical assessment of the expected magnitude of
confounding for the comparison group of choice, … When an active comparison group is employed,
the choice of time zero is naturally determined
as the … Choice
of time scale and its effect on significance of
predictors in longitudinal studies.
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effectivehealthcare.ahrq.gov/sites/default/files/s123.pdf
October 01, 2007 - METHODS
Background and Theoretical Framework
Patients with ESBC have a choice of mastectomy or
BCSI … ; v is the error
term; and c1 is the effect of severity on surgery choice. … Given this framework, suppose a researcher has data on
treatment choice and survival for a sample of … RESULTS
Table 1 compares the ESBC patients in our sample by
surgical choice, the BCSI percentage in … Factors influencing choice between
mastectomy and lumpectomy for women in the Carolinas.
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effectivehealthcare.ahrq.gov/sites/default/files/investing_elwyn_presentation.pdf
January 01, 2009 - people
think
about
choices
they
face:
they
describe
where
and
why
choice … people
think
about
choices
they
face:
they
describe
where
and
why
choice … people
think
about
choices
they
face:
they
describe
where
and
why
choice … people
think
about
choices
they
face:
they
describe
where
and
why
choice … people
think
about
choices
they
face:
they
describe
where
and
why
choice
-
effectivehealthcare.ahrq.gov/sites/default/files/interactive_media_glasgow_presentation.pdf
January 01, 2009 - social
support
Slide
8:
Enhancing
Multi-‐media
Effectiveness:
ENGAGEMENT
CHOICE … 19:
Preference
Design
Features
• Potential
participants
randomized
to
Choice … realistic
evaluation
of
intervention
Reach
• Can
evaluate
impact
of
Choice … Slide
21:
Participation
Rates
• Among
those
confirmed
eligible
(n=310)
o Choice …
70.5%
o RCT
55.8%
• Among
choice
condition
confirmed
eligible
-
effectivehealthcare.ahrq.gov/sites/default/files/johnson_-ahrq-mcda-presentation.pdf
August 27, 2012 - Gamble/Time
Tradeoff
EQ-5D Tariffs
QALYs
CEA,
reimbursement
Stated
Preferences
Discrete Choice … International Research Triangle Institute
Labels
Conjoint (consider jointly) analysis
Discrete-choice … experiments
Stated-choice surveys
6 6
RTI International Research Triangle Institute … 7
Choice-Experiment Methods
Treatment alternatives consist of combinations of
features
-
effectivehealthcare.ahrq.gov/sites/default/files/llewellyn-thomas.pdf
January 01, 2011 - 6: INTRODUCTION (cont’d)
• Decision Support =
o Helping arrive at informed, preference-‐based choice … 7: INTRODUCTION (cont’d)
• Ottawa Decision Support Framework =
o Step 1: Realizing
there’s choice … Select option consistent with those attitudes;
o Negotiate system so informed, preference-‐based choice … could
overwhelm the patient.
o Could
introduce order and
sequencing effects, biasing her choice … • Is subsequent
actual choice behavior consistent
with preferences implied by earlier V/P
elicitation
-
effectivehealthcare.ahrq.gov/sites/default/files/fraenkel.pdf
May 29, 2025 - Cystitis,
Nausea, Zoster, Alopecia
Slide 11: Types
of Conjoint Analysis
• Full profile
• CBC, or choice … -‐based conjoint analysis
• ACBC, adaptive choice-‐based conjoint analysis
• ACA, or adaptive conjoint
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-guidance-quantitative-synthesis_methods.pdf
October 01, 2010 - Choice of Effect Measures
Effect measures quantify differences in outcomes, either effectiveness or … The choice of effect measures is
first determined by the type of outcomes. … The reported measures or study design could prescribe the choice of effect measures. … The choice of effect measure is determined primarily by the scale of the available data. … Choice of model
1.
-
effectivehealthcare.ahrq.gov/sites/default/files/methodsguide_conductingquantitativesynthesis.pdf
October 01, 2010 - Choice of Effect Measures
Effect measures quantify differences in outcomes, either effectiveness or … The choice of effect measures is
first determined by the type of outcomes. … The reported measures or study design could prescribe the choice of effect measures. … The choice of effect measure is determined primarily by the scale of the available data. … Choice of model
1.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/cancer-decision-support-tools_research-protocol.pdf
November 12, 2013 - Support Tools for Health Care Consumers
Some health care decisions do not have an obvious “optimal choice … In the examples with a clear “optimal”
choice, the likelihood of death or very serious complications … In
the case of conditions for which there is not an optimal treatment choice, such as localized low- … In other words, no universally
“optimal” choice exists; the “optimal” choice is the one that best corresponds … Attributes of the choice: The extent of the match between the values of health care
consumers and their
-
effectivehealthcare.ahrq.gov/sites/default/files/frazee-presentation.pdf
May 29, 2025 - So a couple
of instances where
it matters less is
when
the default choice is both
in … or input, or at least should
require patient choice and
input.
… Are we preserving patient choice
for patients? … And
then
last
but not least, we have to design for patient choice. … Give them
enough
time to process it so that there is a choice made and
not just, "Well, my doctor
-
effectivehealthcare.ahrq.gov/sites/default/files/mcda-johnson.pdf
August 27, 2012 - Stated
Preferences
Elicitation
Formats
Likert Scale Standard
Gamble/Time
Tradeoff
Discrete Choice … Financial circumstances
Slide 6
Labels
Conjoint (consider jointly) analysis
Discrete-choice … experiments
Stated-choice surveys
Slide 7
Choice-Experiment Methods
Treatment alternatives
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/cancer-decision-support-tools_disposition-comments.pdf
December 23, 2014 - The review
is somewhat inconsistent about considering the impact of aids on
behaviors/choice. … They indicate choice should not be a primary
outcome, yet included actual or intended choices in the … Reworking the results to look
at how the aids impacted choice for the 3 main cancers should at
least … Nevertheless,
any outcomes related to actual choice were
captured. … Of these data, relatively few
referred to how often the choice was changed
before and after the DA
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/ehc-presentation-quantitative-synthesis-chapter-5.pdf
February 01, 2018 - Choice of NMA method
• There has been no systematic evaluation of the comparative
performance of NMA … • Network geometry also affects model choice:
Simple indirect
comparison Star Network w/
close loop … Network geometry and model choice
Methods Simple indirect
comparison
Star network Network with … of priors for Bayesian analysis
► Model choice (random vs. fixed effects; consistency vs. inconsistency … of NMA method
Network geometry and model choice
Rating strength of evidence
Ranking probabilities