-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/alcohol-misuse-drug-therapy_research-protocol.pdf
January 27, 2012 - • For KQ 6, we will also include secondary analyses or
subgroup analyses from trials and prospective … We plan to exclude studies deemed
high risk of bias from our main data synthesis and main analyses; … we will
include them only in sensitivity analyses. … and/or perform subgroup analyses when possible
and appropriate. … Measuring inconsistency in meta-
analyses. BMJ. 2003 Sep 6;327(7414):557-60. PMID: 12958120.
45.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/transparency-tympanostomy_research.pdf
June 01, 2017 - The results of these trials would not have changed our
initial meta-analyses, risk of bias, or strength … Empirical analyses of prospective registry data can inform on the time between study
completion and … Again, the paper gave much more detail
and included statistical analyses not reported in the record, … It was also
difficult to draw any conclusions about publication bias based on our analyses. … A
modified test for small-study effects in
meta-analyses of controlled trials with
binary endpoints
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/migraine-adults-executive-130408.pdf
April 01, 2013 - We focused on treatment discontinuation due
to any and specific adverse effects from pooled analyses … Among off-label drugs, pooled analyses demonstrated
that the off-label antidepressant amitriptyline … Exploratory Bayesian network meta-analyses
demonstrated that topiramate and off-label antiepileptics … Exploratory Bayesian network meta-analyses
demonstrated that topiramate, off-label antiepileptics, … Baseline risk as predictor
of treatment benefit: three clinical meta-re-analyses.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/unpublished-drug-trials-white-paper.pdf
December 01, 2024 - review the relevant scientific literature on topics assigned to
them by AHRQ and conduct additional analyses … Then, we conducted
meta-analyses combining unpublished and published studies. … Our analysis identified important
discrepancies in effect sizes, with meta-analyses of both published … After going through this process for the three drug-indication combinations, we conducted
analyses only … Effect of reporting
bias on meta-analyses of drug trials:
reanalysis of meta-analyses.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-guidance-bias-individual-studies_methods.pdf
March 01, 2012 - sensitivity analyses, for the impact of including studies with high or unclear risk of bias. … Industry-supported meta-analyses compared
with meta-analyses with non-profit or no
support: differences … Preferred reporting items for systematic
reviews and meta-analyses: the PRISMA
statement. … Adjustment of meta-analyses on the basis of
quality scores should be abandoned. … Did the author(s) specify the type of analyses undertaken for harms data?
-
effectivehealthcare.ahrq.gov/sites/default/files/methodsguide_chou_assessing_harms_when_comparing.pdf
November 01, 2008 - Observational studies based on analyses of large databases. … However, for indirect analyses to be reliable, all studies should be comparable in
terms of quality … In the meantime, CER authors considering indirect analyses to assess harms should carefully
consider … Did the author(s) specify the type of analyses undertaken for harms data?
19
Table 4. … Sensitivity analyses, subgroup analyses, metaregression, etc.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-guidance-harms_methods.pdf
November 01, 2008 - Observational studies based on analyses of large databases. … However, for indirect analyses to be reliable, all studies should be comparable in
terms of quality … In the meantime, CER authors considering indirect analyses to assess harms should carefully
consider … Did the author(s) specify the type of analyses undertaken for harms data?
19
Table 4. … Sensitivity analyses, subgroup analyses, metaregression, etc.
-
effectivehealthcare.ahrq.gov/sites/default/files/antipsychotics-children-update_executive.pdf
January 01, 2018 - with other more direct findings from the
pairwise meta-analyses. … The section ends with
findings from subgroup analyses. … All Comparisons: Network Meta-Analyses for Body
Composition Outcomes
We conducted network meta-analyses … Findings from our analyses are presented
in Figures C and D. … Twenty-six studies reported on subgroup analyses.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/epilepsy-medicine_surveillance.pdf
August 01, 2012 - subgroup analyses with similar
results to the base case analysis. … Data on
adverse events was very limited for
carbamazepine SR/CR and ethosuximide analyses. … The results of these a priori subgroup analyses are
not very informative. … subgroup analyses with similar
results to the base case analysis. … The results of these a priori subgroup analyses are not
very informative.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/epilepsy-medicine_surveillance.pdf
August 01, 2012 - subgroup analyses with similar
results to the base case analysis. … Data on
adverse events was very limited for
carbamazepine SR/CR and ethosuximide analyses. … The results of these a priori subgroup analyses are
not very informative. … subgroup analyses with similar
results to the base case analysis. … The results of these a priori subgroup analyses are not
very informative.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/mental-health-children_research-protocol.pdf
December 11, 2015 - These searches will include RCTs, CCTs, and systematic reviews/meta-analyses. … We plan to
stratify analyses and/or perform subgroup analyses when possible and appropriate to
examine … For any quantitative analyses, we will conduct sensitivity analyses, including studies with
a high risk … Two sets of additional
analyses will be used
to synthesize and
contextualize the data. … Our proposed analyses will acknowledge several limitations of QCA.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/asthma-nitric-oxide_research-protocol.pdf
September 06, 2016 - However, follow-up
duration will be considered as a covariate in the analyses. … Separate meta-analyses will be
conducted on each category. … We will conduct sensitivity analyses to evaluate robustness of our
findings by excluding studies with … We will lower SOE grading when sensitivity analyses 1) show substantial difference in
estimates derived … Improving the interpretation of
quality of life evidence in meta-analyses: the application of minimal
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/heart-failure-transition-care_executive.pdf
May 01, 2014 - them in sensitivity analyses
for KQ 1 and KQ 2. … We conducted meta-analyses stratified
by intensity, delivery personnel, and method of
communication … Subgroup analyses were not
possible for other categories of interventions because of
either lack of … Only STS interventions varied in the method
of communication; our subgroup analyses for reduction in … Measuring inconsistency
in meta-analyses. BMJ. 2003 Sep 6;327(7414):557-60.
Epub: 2003/09/06.
-
effectivehealthcare.ahrq.gov/products/methodological-recommendations-framework-communications/research
-
effectivehealthcare.ahrq.gov/sites/default/files/ch_5-user-guide-to-ocer_130129.pdf
January 01, 2012 - Sensitivity analyses
should then be used to quantify the effects of
such unmeasured confounding under … Time-to-event analyses including Cox
proportional hazard regression may be appropriate
when comparing … Conversely, as-treated analyses could cause bias
due to informative censoring (when stopping
is associated … must be taken into
account when determining the followup periods
that should be included in study analyses … Sensitivity
analyses assessing the impact of healthy user
bias is necessary and more research is needed
-
effectivehealthcare.ahrq.gov/sites/default/files/searching.ppt
January 01, 2011 - The investigators were interested in the ability to retrieve economic analyses from January to March … Grey literature in meta-analyses of randomized trials of health care interventions. … Grey literature in meta-analyses of randomized trials of health care interventions. … and Meta-analyses
Reference:
Relevo R, Balshem H. … Grey literature in meta-analyses of randomized trials of health care interventions.
-
effectivehealthcare.ahrq.gov/products/grant-manuscripts/cochrane-database-abstract
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/joint-replacement-evidence%20-summary.pdf
November 01, 2021 - To improve interpretation and allow for future meta-
analyses, researchers (and funders of research) … data on the direct and indirect costs
of (p)rehabilitation programs and conduct cost-effectiveness analyses … alongside
effectiveness analyses to contribute a more complete evidentiary picture to inform
evidence-based
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/stroke-atrial-fibrillation_disposition-comments.pdf
August 23, 2013 - analyses first
when available. … However, we note that numerous indirect
comparison analyses of NOACs have been
published in 2012. … Prior meta-analyses done through 2007 do
focus on warfarin and aspirin. … We agree that the heterogeneity in the KQ2 meta analyses was high and
those analyses are no longer performed … TEP #3 Results KQ3 - very confusing, mixing up trials, cohorts and
retrospective analyses.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-guidance-grading-evidence_methods.pdf
November 01, 2013 - outcome while not reporting other, less favorable
analyses. … undertaken; other analyses are suppressed. … This phenomenon includes presenting selective
post hoc subgroup analyses, dichotomizing
continuous … Arcsine test for publication bias in meta-
analyses with binary outcomes. … from among all planned analyses).