-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/osteoarthritis-pain-disposition-120516.pdf
October 01, 2011 - Was the assignment to the
treatment groups really random? – Yes. … Were groups similar at baseline in terms of
prognostic factors? … Was the assignment to the
treatment groups really random? – Yes. … Were groups similar at baseline in terms of
prognostic factors? … between both
treatment groups.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/rapid-social-isolation-older-adults-final.pdf
February 01, 2019 - Of the three remaining RCTs, one (n=100)49 did not provide data to compare groups over
time, one (n= … were maintained, including low overall
drop-out rate, equal drop-outs between groups, and efforts … to
minimize contamination between groups.
6 Interventions were clearly defined, including any co- … • Second three-month period: Both
groups were crossed over. … • Groups were led by a
psychologist
• Groups met once a week for 2
hours, over a period of 3
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/app-f-surv-rept-1-acute-pain.xlsx
May 29, 2025 - Groups Similar at Baseline? Outcome Assessors Masked? Care Provider Masked? Patient Masked?
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/ced-appendix-3.xlsx
June 24, 2022 - that seek to control for known and unknown differences in baseline characteristics between treatment groups … of treatment or those starting a new course of treatment
Grace 5.1 Design Use concurrent comparison groups … CMS Design_control Use of contemporaneous control groups (rather than historical controls) in order to … ensure comparability between the intervention and control groups. … Innov (UK) Experts NICE will seek advice from clinicians, patient groups, academics and data custodians
-
effectivehealthcare.ahrq.gov/sites/default/files/bar-cohen-ii_eccs2012.pdf
January 01, 2012 - in research, health care, and policy
o The negative
side:
Threats from
other stakeholder groups … Collide— Gary Schwitzer (2 of 2)
• Given the universal problem
around poor media reporting, why are groups
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/study-design-framework_research.pdf
March 01, 2012 - Individuals or
groups are followed prospectively to assess differences in the outcome(s) of interest … Size will
depend on the effect size being sought between intervention and comparator groups. … Baseline
characteristics can be measured, but may not be balanced between the two groups. … The
study groups are likely to be unbalanced at baseline, and statistical measures to control for … A randomized controlled trial in which the units of randomization and analysis are groups of
people
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/alcohol-misuse_executive.pdf
April 28, 2010 - Moderate
Anxiety No difference between groups (unable to calculate effect size). … Low
Utilization Emergency visits Difference between groups for visits in past 6 months did not reach … Studies identified relatively delayed
reduction in consumption in control groups to levels
achieved … We found very limited evidence reporting
no difference between intervention and control groups for … The control groups
in the included studies generally reduced alcohol
consumption.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/fecal-incontinence_research-protocol.pdf
November 30, 2014 - Our findings will provide evidence support for FI treatment guidelines by physicians’ groups
and for … Observational studies without control groups will be included only if they assessed
treatment harms … Yes Valid measures, groups ~ equivalent
No Nonvalidated measures or nonequivalent
groups
Uncertain … Were there attempts
to balance the allocation
across groups? … Was length of
followup the same for all
groups?
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/autism-adolescents_executive.pdf
August 01, 2012 - A good study has a clear
description of the population, setting, interventions, and comparison groups … • 2 studies lacked comparison groups; diagnostic approach, participant characteristics,
treatment … • Some gains seen in individual studies but most lacked comparison groups. … • Lack of comparison groups in 3 studies; treatment adherence not reported; assessors
not masked … • No comparison groups or measures of treatment fidelity; participants not clearly
characterized;
-
effectivehealthcare.ahrq.gov/sites/default/files/arcia-presentation.pdf
May 29, 2025 - We cannot use this graphic, as you’ll learn
in
this presentation.
9
We conducted
21 groups … Most of the groups were in
S panish. … But the process of the focus groups did help us to do a preliminary
comprehension check based on how … Recruitment is difficult-‐-‐
but we are running four different groups, English
and
Spanish, of … In these initial
groups we're looking at barriers and facilitators of
Internet access, how women
-
effectivehealthcare.ahrq.gov/sites/default/files/cer-251-integrated-pain-management-app-F.xlsx
January 01, 2020 - Groups Similar at Baseline? Outcome Assessors Masked? Care Provider Masked? Patient Masked? … Groups Similar at Baseline? Outcome Assessors Masked? Care Provider Masked? Patient Masked?
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/colon-cancer-gene-profiling_disposition-comments.pdf
December 14, 2012 - The studies do not
demonstrate an ability of the GEPs to classify patients into risk groups to
help … But I agree that reclassification analyses and ability to
discriminate discrete prognostic groups are … Not
even separate survival curves for high, intermediate and low risk groups as
defined by the GEP … Publications do show separate
curves for risk groups, but this
does not show clinical utility. … ColoPrint better
distinguishes low and high risk groups as compared to risk assessment
using current
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/depression-treatment-ssri_research-protocol.pdf
June 15, 2010 - This review found eight randomized trials and 23 open
studies (with and without comparator groups). … • Comparators:
We will identify and include studies with comparative intervention groups. … Observational studies with comparator groups (retrospective and prospective cohort, case
control, and … Both these groups will be considered to have failed SSRI
treatment. … The peer reviewer may represent stakeholder groups such as professional or advocacy
organizations with
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/medicare-eligible-disabled_research.pdf
June 01, 2011 - The prevalence of selected comorbidities differed across groups of dis-
abled (Table 3). … Acute
inpatient stays were of similar length for
all groups except nonduals (range 7.2-7.8
vs. 5.7 … Other inpatient
stays were of similar length across groups
but SNF stays were considerably lon-
ger … These four groups differ
significantly in their demographic and
health care profiles. … If these initial
distinctions among groups persist beyond
the first six months, they would point to
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/mental-illness-disparities_research-protocol.pdf
July 01, 2015 - These differences or gaps in care between groups
represent a lack of efficiency within the health care … populations with and without
SMI, the focus of this Technical Brief is limited to disparities between groups … Other requirements include
ensuring balance in perspectives and interests for stakeholder groups and … Engaging Relevant Stakeholder Groups. … ]) OR ( “Healthcare Disparities”[Mesh] OR
“Health Status Disparities”[Mesh] ))) OR ((((((“Minority Groups
-
effectivehealthcare.ahrq.gov/sites/default/files/ch_10-user-guide-to-ocer_130129.pdf
January 01, 2011 - Descriptive and univariate analyses can be used to assess
imbalances between treatment groups and to … If adjustment using the propensity score is used,
balance in study covariates between exposure
groups … of the propensity score is to visually
examine the propensity score distributions across
exposure groups … Matching subjects
across exposure groups on propensity score
ensures, through restriction, that there … This can be done graphically or
by comparing standardized differences across
groups.
-
effectivehealthcare.ahrq.gov/sites/default/files/hibbard-presentation.pdf
May 29, 2025 - For some groups the
mean
will be lower and
for some groups themean
will be higher. … And all of the groups in between weremoving up or they were
moving down
and
their costs were consistent … Thereareseveral groups that aredoing this now.
-
effectivehealthcare.ahrq.gov/sites/default/files/wysiwyg/impact-healthcare-algorithms-racial-ethnic-disparities-March-2.pdf
May 15, 2023 - • Human radiologists may
overlook causes of pain in
disadvantaged groups
• We’d like an algorithm … Algorithmic bias Differential performance of an algorithm in different groups (such as racial or
ethnic … groups) due to intrinsic attributes of the algorithm. … This is
flawed because the association between costs and health
differs across racial and ethnic groups … of algorithmic bias, but also salient challenges interpreting results of
under-represented minority groups
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/mental-illness-adults-prisons_research-protocol.pdf
September 13, 2012 - Studies with large differences at baseline between groups will be excluded. … Were patients randomly assigned to the
study’s groups?
2. … Were the two groups treated concurrently?
6. … Was there a ≤5 difference between groups in
ancillary treatment(s)?
10. … Was there ≤15% difference in the length of
followup for the two groups?
11.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/gestational-diabetes-screening-diagnosis_executive.pdf
October 01, 2012 - were diagnosed with GDM using
the International Association of the Diabetes
in Pregnancy Study Groups … We searched the Web sites of relevant professional
associations and research groups, including the ADA … GDM was confirmed using criteria developed
by different groups, including CC, ADA, National Diabetes … The majority of data came from cohort studies or the
untreated groups from RCTs. … Three comparisons showed
significant differences between groups: patient groups with
no GDM had fewer