-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/cad-women-treatment-future_research.pdf
February 01, 2013 - : (preferable) large long-term clinical trial with women-
only enrollment or of large enough sample size … The
study was limited by a small overall size, and it did not find significant differences
in outcomes … : (preferable) large long-term clinical trial with
women-only enrollment or of large enough sample size … Considerations include:
• Sample size required for a particular outcome and to include a representative … of interest relatively small, adversely affecting the sample size
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-usability-testing.pdf
November 01, 2018 - value for end-
users; however, consideration should be given to their purpose and format (e.g., “one size … Provide the
hyperlink in a size and location such that it
will not be overlooked. … Instead, many thought that the bubbles’ size was
related to the strength of evidence. … Like, the size of the circle could be
about which one has the best evidence associated
with it. … is what you’re trying to determine,
based on the size.”
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/heart-failure-transition-care_disposition-comments.pdf
May 27, 2014 - which
is relevant in situations where the number of studies available
for analysis and/or sample size … We have also added footnotes
to explicitly say what the notations are (e.g., N=
sample size). … The number and size of studies are included in
each meta-analyses and also in summary
tables. … There is the very strong (though small study size) effect from the
Naylor study. … Yet, the conclusion
seems to be that since the overall effect size was consistent
with 3 and 6 months
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/colorectal-surgery-preparation_executive.pdf
April 01, 2014 - number of available studies, the number
of studies contributing information for each outcome,
sample size … and suggested that randomized sequence generation
methods did not have a major impact on the effect
size … This uncertainty is explained by
the relatively small sample size of included studies and
the relative
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/blood-clots-hip-knee-surgery_executive.pdf
March 01, 2012 - In evaluating all KQs, randomized controlled trials
(RCTs) of any size or controlled observational studies … Therefore observational studies would
need to be of larger size to provide additional valuable
information … Observational studies were assessed for sample size,
participant selection method, exposure measurement … duration with clinically
relevant treatment modalities, assessed adverse events,
had an adequate sample size … Both of the
available trials were small in size leading to limited power
to detect differences between
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/ptsd-adult-treatment-update_research-protocol.pdf
December 31, 2017 - settings
Other settings
Study design KQs 1–3: Randomized controlled trials (RCTs) of any sample size … nonrandomized controlled trials,
prospective cohort studies with an eligible comparison group and a
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 published … For KQ 4, we have
chosen a sample size cutoff of 500 for prospective cohort studies and case-control
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/insulin-blood-sugar-2010_executive.pdf
January 01, 2010 - 1
Comparative Effectiveness Review
Number 57
Methods for Insulin Delivery and Glucose
Monitoring: Comparative Effectiveness
Executive Summary
Background
Diabetes mellitus is defined as a group
of metabolic diseases characterized by
hyperglycemia resulting from defects
in insulin secretion from the pancreati…
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/presentations-future_research.pdf
April 01, 2012 - perform power analyses for specific research designs for a range of assumptions and
compare with the size … These criteria include resource use, size, and
duration; availability of data and ability to recruit … a recommendation, the panel included a rationale and did not include specifics in
terms of sample size … direct
way to address less
common
comorbidities; allows
for adjustment for
confounding; sample
size
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/diverticulitis-research-protocol.pdf
January 01, 2019 - patients not requiring surgery)
* The minimum sample size … colon)
• Elective CT colonography
* The minimum sample size … reports (and series of case reports)
* The minimum sample size … reports (and series of case reports)
* The minimum sample size
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/nonpharm-treatment-chronic-pain-protocol.pdf
December 11, 2018 - into categories that include but are not limited to: study design, year,
setting, country, sample size … The feasibility of a quantitative synthesis will
depend on trial size, the number and completeness of … heterogeneity across studies with regard to
patient population, intervention and outcomes, and sample size … When quantitative
synthesis is not possible, sample size and assessment of variance within
individual
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/research-protocol-osteoporosis_2.pdf
October 05, 2018 - o Rare harms (i.e., AFF, ONJ, Afib): Sample size must be >100 and may include case-control, retrospective … o Nonrare harms: Sample size must be >1000 and limited to prospective cohort studies. … methodological heterogeneity (participant population, intervention, outcome
measures) and variation in effect size … direct link between intervention and outcome); (3) consistency
(similarity of effect direction and size
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/ace-inhibitor-arb-update_research-protocol.pdf
May 07, 2010 - function, angioedema, cough, hyperkalemia
• Tolerability
• Persistence
• Adherence
6) Sample size … :
- We will not exclude articles based on sample size during the full text screening but may
re-visit
-
effectivehealthcare.ahrq.gov/sites/default/files/osteoarthritis-knee-update-executive-170505.pdf
May 01, 2017 - relationship between outcomes measured
and the outcomes of interest, and magnitude of the effect
size … of the knee: N = 28
• Not on treating/managing OA of the knee: N = 6
• Intervention* with a sample size … studies showed no effect of long-term treatment on
function compared with control (pooled effect size … no effect of long-term glucosamine
treatment compared with control on pain (n=1007;
pooled effect size … • Small sample size.