-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/renal-cancer_clinician.pdf
July 01, 2017 - ���
Local recurrence-free
survival
2 (217) Better results with RN, but all studies had a
small sample … size.
-
effectivehealthcare.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 … sizes will need to be large.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/asthma-immunotherapy-2011_research.pdf
January 01, 2011 - Study design and setting. … Sample size justification 5±2
Overall estimation of internal validity**
5±2 5±2
Overall estimation … Sample
size and optimal designs for reliability
studies. … Design and hypothesis specific. Assessment of temporality. … Size
Sample size justification.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/rheumatoid-arthritis-medicine_research-protocol.pdf
December 06, 2010 - criteria)
Original research; eligible study designs include:
• Randomized controlled trials with a sample … size
≥100
• Nonrandomized controlled trials
• Observational studies with a sample size ≥100:
prospective … Case report
• Review articles
• Editorials
• Letters to the editor
• Studies with insufficient
sample … sizes
http://www.effectivehealthcare.ahrq.gov/�
Source: www.effectivehealthcare.ahrq.gov … information for each article, including study design, methods,
and results.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/transparency-infertility_research.pdf
June 01, 2017 - abstracted were:
• Date of completion
• Number of study arms
• Intervention description
• Study design … Two trials with a
combined sample size of 340 patients were completed more than 3 years ago, indicating … • The study design and number of study arms matched for all eight studies. … Three
studies did not report the sample size in CT.gov and thus were classified as discrepant. … Both trials were applicable to KQ 1 and had a combined
sample size of 340 patients.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/asd-medical-executive-170505.pdf
May 01, 2017 - Irritability
responsible for withdrawals (n=6) in one RCT; SOE
is low given small sample size
Atomoxetine … size that would
have been excluded in our 2011 review (which required
a sample size of 30) in the … Limitations of the Evidence Base
As noted, studies in the review had small sample sizes and
typically … size
and durability of effects. … Sample size and participant
followup were frequently insufficient to allow firm
conclusions.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/osteoarthritis-knee-update-disposition-archived.pdf
May 04, 2017 - We presented the sample
sizes in the narrative
descriptions of the studies,
as well as in the evidence … initially excluded for smaller
sample sizes and included
all studies that had been
excluded only for … Noting the total
sample size is not sufficient. … We reincluded all studies
that had been excluded
solely for small sample size,
with the exception … We reincluded all studies
that had been excluded
solely for small sample size,
with the exception
-
effectivehealthcare.ahrq.gov/sites/default/files/osteoarthritis-knee-update-disposition.pdf
May 04, 2017 - We presented the sample
sizes in the narrative
descriptions of the studies,
as well as in the evidence … initially excluded for smaller
sample sizes and included
all studies that had been
excluded only for … Noting the total
sample size is not sufficient. … We reincluded all studies
that had been excluded
solely for small sample size,
with the exception … We reincluded all studies
that had been excluded
solely for small sample size,
with the exception
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/mrsa-screening_research.pdf
June 01, 2013 - size to minimize selection bias. … sizes, and multiple sites may be
needed. … size. … Requires planning to
balance baseline characteristics and sample
size considerations to achieve adequate … size.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/ptsd-repository-expanded-protocol.pdf
October 24, 2019 - , the following PICOTS (Populations, Interventions, Comparators,
Outcomes, Timing, Settings, Study Design … on study duration or length of followup
• Settings:
o No limitation on study setting
• Study Design … , year, setting,
country, sample size, eligibility criteria, source(s) of funding, study characteristics … Characteristics of included
studies, such as number of publications by year, study sample size, proportion … Study design
l. Indicate if subscale or symptom cluster data is reported (Y/N)
m.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/progestogens-preterm-birth_research-protocol.pdf
June 01, 2010 - sizes must be appropriate for study question addressed in paper;
single case reports or small case … After reviewing a sample of relevant articles, the methods
lead and the content lead will design three … size, and study
type). … sizes); 2) the quality of evidence (from the quality ratings on individual articles); and 3)
the coherence … Therefore, study questions, design and/or methodological
approaches do not necessarily represent the
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/ced-topic-refinement.pdf
November 01, 2022 - size. … size
as required by the question. … size as
required by the question. … size as required by the question.
1.9
H. … size as required by the question.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/saturated-fat-replacement-protocol.pdf
January 01, 2024 - .,
prisons)
Publication ● English language
● Published in peer-reviewed journals
* Minimum sample … size may be altered depending on the number of eligible studies found … maximum prediction score is <0.40, we will screen at least 400 additional
consecutive citations (this sample … size is chosen because the upper 97.5% confidence
interval bound for a proportion of 0/400 is less … sizes, overall methodological limitations, consistency,
precision, directness, SoE rating, and conclusions
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/quantitative-synthesis-expanded-methods_methods.pdf
March 01, 2013 - size
requirements, that approach may lead to serious misinterpretation of the data. … In meta-analysis,
sample size is less of a concern than in clinical trials, and thus the motivation … size. … Types of studies
included
Study design
Specify what type of study designs are being combined (e.g … size, intervention,
outcome, study design, target population, study population, baseline risk and other
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/polyunsaturated-fatty-protocol.pdf
January 01, 2024 - .,
prisons)
Publication ● English language
● Published in peer-reviewed journals
* Minimum sample … size may be altered depending on the number of eligible studies found … size is chosen because the upper 97.5% confidence
interval bound for a proportion of 0/400 is less … following for each life stage (as feasible),
each analyzed PUFA, and each outcome: study types and sample … sizes, overall methodological
limitations, consistency, precision, directness, SoE rating, and conclusions
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/hemorrhage-postpartum_executive.pdf
April 01, 2015 - sizes. … sizes and inconsistency
in interventions. … Four studies
of rFVIIa reported on thrombotic events, but sample
sizes were small and studies were … A higher SOE is not
possible due to the lack of comparisons
in this literature and small sample sizes … Some
studies reported an association between rFVIIa and
thromboembolic events, but sample sizes were
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/colorectal-surgery-preparation_research-protocol.pdf
March 26, 2013 - sizes are unlikely to provide estimates of treatment effects that are
adequately precise. … sizes are unlikely to provide estimates of treatment effects that are
adequately precise. … Even if the
outcome rate is 10 percent (i.e., quite high), the sample size needs to be >400 patients … sizes; as such, they are unlikely to affect our conclusions. … reviews and will include elements
that address population characteristics, sample size, study design
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/abnormal-uterine-bleeding_research-protocol.pdf
November 21, 2011 - We will not stipulate a minimum study sample size for included
clinical research studies. … size for evaluating treatment effectiveness. … Ideally, studies
will include an explanation of the sample size analysis (e.g., power
calculation … Assessments of individual study eligibility
based upon sample size will be conducted and fully described … sizes), the quality of evidence (i.e., from the quality ratings on individual
articles), and the
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/osteoarthritis-pain-2006_appendixes.pdf
January 01, 2006 - If relevant, the tables or text should include information on study design,
sample size in each study … In addition, the individual evaluations should be
weighted in some way (e.g., according to sample size … GI Safety in observational studies
149
Author, Year
Sample size
Population Duration
(days … CV Safety in observational studies
Author, Year
Data source
Sample size
Population Exposure … CV Safety in observational studies
Author, Year
Data source
Sample size
Population Exposure
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/autism-adolescents_disposition-comments.pdf
August 27, 2012 - The only excluded study
design was the single case report. … With the assistance of our
content and technical experts, we selected a
minimum sample size of 20 in … allows us to account for typically smaller study
sizes in ASD research while including studies with
sample … sizes large enough to suggest effects of
interventions. … With the assistance of our
content and technical experts, we selected a
minimum sample size of 20 in