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effectivehealthcare.ahrq.gov/sites/default/files/pdf/vitamin-d-calcium_research-protocol.pdf
September 13, 2013 - Study size
will not be considered an exclusion criterion. … Study selection will be conducted as described in the original 2009 report2 and in the AHRQ
Methods … ROB will be assessed at the study level in
duplicate for each published study. … Items to be assessed include eligibility criteria and
sampling of the study population, blinding of … Overall study quality will be rated on a letter scale of A to C, as done in the original 2009
report
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/delirium-research-protocol.pdf
June 01, 2018 - A large, multi-site prospective study of U.S. … Each article will undergo double review by the study investigators for data
abstraction. … For all articles, the reviewers will extract information on general study characteristics
(e.g., study … design, study period, and followup), study participants (e.g., population,
age, sex, presence of dementia … Antipsychotic medications and stroke in
schizophrenia: A case-crossover study.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/gerd-disposition-120104.pdf
April 01, 2011 - Systematic
reviews do not allow careful assessment of the study population. … The stringency of the diagnosis was recorded
for each study. … This study further validates a subgroup analysis
of Kiljander's study published in the American Journal … maintenance study. … As such,
it was not designed as a long-term study.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/renal-update_research-protocol.pdf
January 15, 2015 - Data Extraction and Management
Each study will be extracted by one experienced methodologist. … Any quality issues pertinent to specific outcomes within a study
will be noted and applied to those … ; and angioplasty single group studies), then by Key Question and
outcome, within each study design … Clinical study design, nonclinical
testing, and regulatory considerations for appropriate use of this … Essai
Multicentrique Medicaments vs Angioplastie (EMMA) Study Group. Hypertension.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/liver-cancer-therapy_executive.pdf
May 01, 2013 - Each study design was
evaluated according to its own strengths and weaknesses. … Arms
Total study arms for intervention 2 1 1 1 1 6
Study Design
RCT 1 0 0 0 0 1
Prospective cohort … One study reported cancer-free survival (from
time of study treatment to local tumor progression), extrahepatic … This study assessed local recurrence in all
randomized patients. … and 3.1–4 cm in another study.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/renal-cancer_research-protocol.pdf
April 20, 2015 - For all articles, reviewers will extract information on general study characteristics (e.g., study
design … , study period, and follow-up), eligibility criteria, study participants (e.g., age, gender,
race/ethnicity … (Yes/No/Unclear)
Did the study avoid inappropriate exclusions? … • Variability in study results is explained by
differences in study design, patient population
or … ) Single-study evidence bases should be
considered as “consistency unknown (single
study).”
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/atrial-fibrillation-ablation_surveillance.pdf
May 16, 2013 - Results
3.1 Update Literature Searches and Study Selection
Cycle 2 (2nd assessment)
A total of … Duration of AF: In conflict with CER findings, 1 study,9 showed a longer duration of AF (> 6
mo) to … There was only one
observational study with data. … A
prospective
randomized
study.
Heart
Rhythm
2010
May;7(5):612-‐8.
… There
was
only
one
observational
study
with
data.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/ear-infection_disposition-comments.pdf
May 04, 2013 - study and specific outcomes. … The study by Papova et al:
1. … The study was supported by
NICHD and AHRQ. … We did
find one study of adults examining autoinflation
and one study of children with sleep apnea … Pain was not
an outcome in any study.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/prostate-cancer-surveillance_disposition-comments.pdf
December 01, 2011 - This study did not meet eligibility. It was not a comparative
study. … Regarding the specific study suggestions:
1) The main analysis of this study is not a comparison of … We have included this study for KQ3 of the report. … KQ4 (single arm, non-comparative
study). … The one
available RCT (the SPCG-4 study) of RP vs.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/colorectal-surgery-preparation_research-protocol.pdf
March 26, 2013 - from around 4 days to around 21 days and increase costs from
roughly $11,000 to $43,000.8 A recent study … This is potentially important
because this study represented the second or third largest available study … We argue that the retracted study should not be included at all in a meta-analysis. … Data from each eligible study will be extracted by a single reviewer. … Studies of different designs
will be graded within the context of their study design.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/high-cholestorol-medicines-update_research-protocol.pdf
December 31, 2013 - Each article will undergo double review by study
investigators for data abstraction. … characteristics (e.g., study design, study period, and followup),
study participants (e.g., age, sex … Heart Protection Study Collaborative Group. … Shepherd J, Cobbe SM, Ford I, et al; West of Scotland Coronary
Prevention Study
Group. … Ginsberg HN, Elam MB, Lovato LC, et al; ACCORD Study Group.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/rotator-cuff-tear_executive.pdf
July 01, 2010 - Comparative
studies were considered appropriate to combine in a
meta-analysis if the study design, study … The mean age of
study participants ranged from 41.2 to 80 years. … Males
comprised an average of 64.6 percent of study
participants. … Males comprised an average of 58.9 percent of study
participants. … Males represented 55 percent of study
participants.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/cystic-fibrosis-hgh_appendixes.pdf
January 01, 2009 - (cohort adj (study or studies)).tw.
6. cohort analy$.tw.
7. … (follow up adj (study or studies)).tw.
8. … (cohort adj (study or studies)).tw.
6. cohort analy$.tw.
7. … (follow up adj (study or studies)).tw.
8. … than a similar study with a small sample size.
-
effectivehealthcare.ahrq.gov/sites/default/files/product/pdf/ems-911-workforce-protocol.pdf
January 01, 2015 - suggested that half of
ambulances tested positive for methicillin resistant S. aureus.2 A second study … showed
that 57% of reusable ambulance equipment tested positive for blood.3 Another study
reported … the study design according to the accepted hierarchy of
study designs. … For this technical brief, we do not plan to perform a detailed
assessment of study quality, although … we will discuss with the Key Informants
whether to focus on a few specific aspects of study quality
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/arthritis-psoriatric_executive.pdf
April 01, 2012 - Study eligibility (inclusion and exclusion) criteria were
designed with respect to study design or duration … If both reviewers agreed that a
study did not meet eligibility criteria, we excluded it. … Trained reviewers abstracted data from each study. … Compared with placebo in one fair study, MTX resulted
in greater improvement in physician assessment … Compared with placebo in one good systematic review
study, sulfasalazine reduced disease activity.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/musculoskeletal-disorders-imaging_research-protocol.pdf
August 05, 2010 - design, condition being studied, study size and setting, and
patient selection criteria. … Moreover, we will record the outcomes being
assessed in each study, including testing related harms, … study size. … setting) and study
design information. … or longitudinal; single center or multicenter) and study sample size.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/skin-lesions-evaluation_disposition-comments.pdf
September 01, 2011 - Peer Reviewer 2 Methods Inclusions of type of study may be too inclusive with case reports and
none … This study is now cited in the report. … This prospective, multicenter, blinded study, published in the
Archives of Dermatology, found that " … Gene locus study was not included in this
brief. … Table 5 has been updated to reflect the
additional study on test accuracy.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/coronary-artery-stenting-future_research.pdf
January 01, 2014 - Proposed Study Designs
We propose both a prospective randomized controlled study and an observational … study
design. … Randomized Controlled Trials
Value of Study Design
RCTs provide the most rigorous study design for … study
design. … Randomized Controlled Trials
Value of Study Design
RCTs provide the most rigorous study design for
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-guidance-finding-evidence_methods.pdf
January 01, 2011 - clinical article/
controlled study/
major clinical study/
prospective study/
cohort.mp. … studies/
13 Or/1-12
1 Clinical study/
2 Case control study
3 Family study/
4 Longitudinal study … /
5 Retrospective study/
6 Prospective study/
7 Randomized controlled trials/
8 6 not 7
9 Cohort … analysis/
10 (Cohort adj (study or
studies)).mp.
11 (Case control adj (study or
studies)).tw. … $ adj (study or
studies)).tw.
15 (cross sectional adj (study or
studies)).tw.
16 Or/1-5,8-15
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/migraine-emergency_research-protocol.pdf
July 18, 2011 - Inclusion criteria
Study design Efficacy and effectiveness: RCTs and NRCTs. … , study design characteristics and
methodological quality criteria (see below), study population (including … study inclusion and
exclusion criteria, study withdrawals, length of study, duration of patient followup … A
population-based study. Headache 2009;49(1):21-30. PMID: 19040677. … Bayesian approaches to random-effects meta-analysis: a
comparative study.