-
effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/chronic-fatigue_research-protocol.pdf
May 01, 2014 - abstracted into categories that
include but are not limited to: study design, year, setting, country, sample … of
symptoms; criteria used for diagnosis, presence of medical and psychiatric co-
morbidities); the sample … Sample Search Strategy (Ovid MEDLINE)
1 exp Chronic Fatigue Syndrome/ (4528)
2 exp Encephalomyelitis
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/adhd_disposition-comments.pdf
October 01, 2011 - Also, the sample size should be
mentioned, the denominator for the 44 CVAs and 21 TIAs. … Atomoxetine's
sponsor reported that its safety sample was well over 3,000 subjects. … However, it is
becoming clearer now from analyses done in the 2007 Swanson papers
on the MTA Sample … The key paper by Molina et al in 2009 on the 8 year follow up of the MTA
sample is also missing. … been helpful would have been to include the work of Ron Kessler
using the US National Comorbidity Sample
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/depression-chronic-conditions-interventions_executive.pdf
August 01, 2012 - Description of Included Studies
In the 10 included trials, sample sizes ranged from 55 to
1,001, and … Summary of collaborative care intervention trials
Author/Trial Name
Disease
Sample Size
Quality
Ratinga … Summary of collaborative care intervention trials (continued)
Author/Trial Name
Disease
Sample Size … Summary of collaborative care intervention trials (continued)
Author/Trial Name
Disease
Sample Size … or 12 months (or both) by those
receiving the collaborative care intervention, and one
as-treated sample
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/mrsa-screening-2010_research-protocol.pdf
January 01, 2010 - Source: www.effectivehealthcare.ahrq.gov
Published Online: October 24, 2011
□ Summary measures
□ Sample … Preventive Services Task Force,35 as follows:
O Was sample definition and selection prospective
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/bipolar-disorder-treatment_research-protocol.pdf
June 23, 2014 - catalogue one-off studies of interventions (only one study examining a
particular intervention) with low sample … The form will be tested by investigators
using an initial sample of included studies and will be finalized
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/autism-update_research-protocol.pdf
September 20, 2013 - After reviewing a sample of relevant articles, the team will assess the data-collection forms
from the … publication, study location (e.g.,
country, city, state) and time period, population description, sample … will use established concepts
of the quantity of evidence (e.g., numbers of studies, aggregate ending-sample … Complementary and alternative medicine use in a
large pediatric autism sample. … A sample table
is shown below:
Date Section Original Protocol Revised Protocol Rationale
This should
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/quantitative-synthesis-expanded-methods_methods.pdf
March 01, 2013 - Although the use of a
composite outcome as the primary outcome in a clinical trial can reduce sample … In meta-analysis,
sample size is less of a concern than in clinical trials, and thus the motivation … Clinical Trials
Composite outcomes can improve statistical efficiency, increasing power for a given sample … Recommendations
Descriptive study
information
Include information for each study describing the sample … present tables or a graphical representation of the data (forest
plot) including:
The comparison type, sample
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/appendicitis_executive.pdf
December 01, 2015 - We verified the data extraction
and risk-of-bias assessment in a random sample of 368
noncomparative … Furthermore,
multivariable models were often developed and evaluated
in the same patient sample. … of diagnostic scores, multivariable models
were often developed and evaluated in the same patient
sample … Many had sample sizes that were too
small to reliably detect small or moderate differences
between … • In contrast to the RCTs, NRCSs of alternative testing
strategies attained large sample sizes but
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/preoperative-testing_research-protocol.pdf
May 14, 2013 - preoperative
tests)
• Eligible
retrospective
studies
must
clearly
include
a
sample … who ordered and followed up on the tests and in what setting they were ordered; outcome
definitions; sample
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/colorectal-surgery-preparation_disposition-comments.pdf
April 30, 2014 - We have provided additional study design
recommendations, particularly with respect to
sample size … We have clarified that we
were referring to the majority of studies when
discussing small sample sizes … We have provided details about the sample size
requirements for such a trial. … We believe that the
required sample size is not prohibitive (even for a
small size consortium) given … , pelvic
abscess, etc.), and that the study will need to be stratified by
anatomical segment, the sample
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/venous-ulcers-treatment-future_research.pdf
January 01, 2014 - However, the
study sample is non-randomized and, therefore, subject to bias. … However, the study sample is non-randomized and, therefore, subject to bias. … Both studies were more than 20 years old, had small sample
sizes, and found no benefit for systemic … Standards for Estimating Proper Sample Sizes
Well-developed statistical methods for estimating the size … …for estimating proper sample sizes.
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/single-group-studies_white-paper.pdf
January 01, 2013 - authors planned to
use single group studies, selection criteria for single group studies (minimum sample … However, this interpretation is limited by the small sample size.
F
Figure 2. … Finally, our empirical review was
conducted among the small sample of CERs that had been prepared by … in the randomized two arm trial
designs (though the two arm studies required a 2–4 fold increased sample
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/procalcitonin_research-protocol.pdf
September 08, 2011 - Statistical analyses (statistical test/estimation results)
Test used
Summary measures
Sample … selection of items proposed by Deeks et al.
13
to
inform the USPSTF approach, as follows:
o Was sample … o Did the whole sample or a random selection of the sample, receive
verification using a reference standard
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/ptsd-adult-treatment-update_research-protocol.pdf
December 31, 2017 - military settings
Other settings
Study design KQs 1–3: Randomized controlled trials (RCTs) of any sample … size of at least 500,a case-control studies with a sample size
of at least 500a
All other designs … and studies
using included designs that do
not meet the sample size
criterion
Language Studies … For KQ 4, we have
chosen a sample size cutoff of 500 for prospective cohort studies and case-control … We will reassess risk of
bias in a random sample of 10 studies included in the prior review that continue
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/cancer-ovarian-contraceptives_disposition-comments.pdf
June 07, 2013 - non-English articles still have English
abstracts (at least in PubMed), providing some
information like sample … Exploring potential
sample size and effect sizes from abstracts in the
non-English literature (or translating … in our review only 2 studies (both
assessing acute harms) were excluded specifically
based on this sample … Sample sizes for the specific
studies are included in the study characteristic tables. … It would be helpful to mention the sample size
needed for a BRCA1+ population, which would be smaller
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/decide16final-mortality-risk-in-copd-pts-using-theophylline.pdf
December 01, 2009 - We included patients with theophylline (N=27,052)
and a 35% random sample of the remaining cohort from … However, because of the small sample of patients none of the results were
statistically significant. … Sample selection used to identify the analytic cohort included in the time-varying
exposure analysis
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/copd-management_research.pdf
December 01, 2009 - We included patients with theophylline (N=27,052)
and a 35% random sample of the remaining cohort from … However, because of the small sample of patients none of the results were
statistically significant. … Sample selection used to identify the analytic cohort included in the time-varying
exposure analysis
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/rapid-assessment-research-updates_research.pdf
September 15, 2008 - Sample Letter Excerpt (for Key Question 1 from CER#1) ............................................... … Sample Letter Excerpt (for Key Question 1 from CER#1)
Conclusions from CER Executive
Summary
Is … Sample Letter Excerpt (for Key Question 1 from CER#1)
Literature Searches
FDA MedWatch and Canadian
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/autism-interventions-future_research.pdf
September 01, 2012 - Second, the small sample size of our
stakeholder panel limited the generalizability of our findings. … transitioning to
independence (total studies included in the review = 32, with none of good quality)
• Small sample … examining the differential effects of individual comorbidities will
necessitate a relatively large sample … Second,
the small sample size of our stakeholder panel limits the generalizability of our findings.