-
effectivehealthcare-admin.ahrq.gov/products/telehealth-women/protocol
January 01, 2023 - (non-RCT with some type of comparison): Comparative studies including trial and observational studies … ) Qualitative studies that evaluate preferences, barriers/facilitators Studies that specifically note … For the key questions we will exclude descriptive studies with no outcome data or studies that include … We will also exclude modeling studies or studies that use synthetic data. … Applicability of Individual Studies: Applicability of individual studies will be considered according
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/methodsguide_conductingquantitativesynthesis.pdf
October 01, 2010 - Decision To Combine Studies
The decision to combine studies to produce an overall estimate should depend … Clinical and methodological diversity among studies always exists even if a group of studies
meet all … When the
sizes of the included studies are small, it would take a substantial number of studies to … Combining studies of mixed designs. … excluding such studies.
7.
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/chronic-cough_executive.pdf
March 01, 2014 - Overall, we included 121 studies represented
by these 115 publications: 78 studies were relevant to … Nineteen studies in
KQ 1 (23%) and 3 studies in KQ 2 (6%) included children. … Seven studies were RCTs, and the remaining
71 were observational studies. … Thirty-three of the 48 studies were
parallel-group RCTs, and 12 were randomized crossover
studies. … studies of 59 individual agents.
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guidance-quantitative-synthesis_methods.pdf
October 01, 2010 - Decision To Combine Studies
The decision to combine studies to produce an overall estimate should depend … Clinical and methodological diversity among studies always exists even if a group of studies
meet all … When the
sizes of the included studies are small, it would take a substantial number of studies to … Combining studies of mixed designs. … excluding such studies.
7.
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/omega-3-maternity_disposition-comments.pdf
October 12, 2016 - (Comments pertain to
the maternal studies more than the child studies.) … Studies of n-3 FA alone were included as
were studies of n-3s plus n-6s. … The list of studies is comprehensive
and doesn't include studies that should have been
excluded. … to the studies we could
include. … studies.
-
effectivehealthcare-admin.ahrq.gov/products/radiation-therapy-bone-metastases/protocol
August 01, 2022 - studies
NRSI for effectiveness if RCTs are available
Studies with <10 patients per arm
Single … arm studies (unless no comparative studies); if used, exclude studies of <10 patients
Case reports … In the absence of comparative studies, single arm (e.g., case series, pre-post studies) with at least … We will focus on primary studies and review systematic review (SR) references for relevant studies as … from poorer-quality studies.
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/peripheral-artery-disease-treatment_executive.pdf
May 01, 2013 - Quality Assessment of Individual Studies
We evaluated the quality of individual studies by using
the … Six studies (four RCTs, two observational studies)
reported variations in the treatment effectiveness … Subgroups reported included age (three studies), symptom
class (three studies), renal failure (two studies … ), arterial
outflow/runoff (two studies), anatomic factors (two
studies), type of vein graft (two studies … IC-CLI-Obs (3 studies, 563,935 patients)
IC-CLI-RCT (2 studies, 130 patients)
Inconclusive evidence
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/hro-protocol.pdf
January 01, 2023 - To streamline data extraction, we will sort eligible studies by
specific PSP (if the report covers … Risk of Bias Assessment
For studies that address the Review Question about the effectiveness of PSPs … criteria, or standard appraisal of studies. … ROBINS-I: A tool for assessing
risk of bias in non-randomised studies of
interventions. … Criteria for assessing internal validity of
individual studies [Internet]. Rockville
(MD): U.S.
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/cer-238-cervical-ripening-outpatient-setting-comments.pdf
March 22, 2021 - at all, and that some studies conducted subgroup analysis on
this variable and others did not. … These studies could compare surveillance
methods or to no monitoring. … We initially
hoped to be able to conduct subgroup
analyses based on US vs. non-US studies. … Ultimately, we did not have enough studies for
a given comparison to do that. … Removing
all non-US studies would lead to insufficient
evidence across the board.
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guidance-harms_methods.pdf
November 01, 2008 - Observational Studies
Observational studies are almost always necessary to assess harms adequately … Other observational studies. … Two studies found that industry-
funded studies tended to report more favorable outcomes than did studies … types of studies. … Review
Studies meet certain study design definitions (e.g., cohort and case-control studies)
Studies
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/methodsguide_chou_assessing_harms_when_comparing.pdf
November 01, 2008 - Observational Studies
Observational studies are almost always necessary to assess harms adequately … Other observational studies. … Two studies found that industry-
funded studies tended to report more favorable outcomes than did studies … types of studies. … Review
Studies meet certain study design definitions (e.g., cohort and case-control studies)
Studies
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/sleep-apnea_executive.pdf
July 01, 2011 - The two studies of cardiovascular mortality did not
have consistent findings, and the two studies of … Overall, the studies
were clinically heterogeneous, small, and of quality B
(three studies) or C (two … studies). … Treatments
• Only 3 of the 190 studies of treatments reported
clinical outcomes; comparative studies … Only 3 of 7 studies found increased
number of hours of CPAP use; only 1 of 3 studies found
persistent
-
effectivehealthcare-admin.ahrq.gov/products/economic-evidence/research
November 01, 2017 - Methods
The review included original studies that applied a quantitative or qualitative method for … Results
Of 19,127 titles initially screened, 43 studies were included, with all but five published … Most studies (27 studies) considered national-level policy and examined the key health actors involved … In two studies, economic evidence had no impact on health policymaking. … evidence (17 studies).
-
effectivehealthcare-admin.ahrq.gov/products/long-term-care-adults/research-protocol
December 01, 2019 - Studies published in English. … Studies from 1995-current. … Non-English language studies. … Studies that do not have a direct comparison between NH and HCBS (e.g., studies that compare one type … and studies that report casemix.
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/fatty-acids-cardiovascular-disease_executive.pdf
August 01, 2016 - Observational Studies, Intake
Seven studies evaluated total n-3 FA intake. … studies), CHD
death (3 of 7 studies), MI (1 of 2 studies), incident CHF (1
of 5 studies), and AFib … (1 of 3 studies). … ), CVD (3 studies), MACE (2 studies),
hemorrhagic and ischemic stroke (2 studies each), AFib (1
study … total stroke (2 studies each), MACE (2
studies), all-cause death (2 studies), or AFib, SCD, incident
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/plasma-cell-dyscrasias-sflc-assay_executive.pdf
August 01, 2012 - epidemiologic studies—STrengthening
the Reporting of OBservational studies in Epidemiology
(STROBE … two quality A studies, a low rating
involves quality B or quality C studies, and an insufficient
rating … Few
studies were designed a priori as studies of diagnostic-
test performance with an adequately powered … The eight reviewed studies of patients with MM were
mostly retrospective cohort studies, and only three … or of
cohort studies in this area.
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/coronary-artery-stenting_executive.pdf
February 01, 2013 - Little disagreement exists across
studies. … Underlying studies may report
conflicting results. … The majority of the patients in these studies
were men, and the reviewed studies specifically excluded … We were not able to conduct meaningful
subgroup analyses stratifying older versus newer studies
(studies … studies.
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/preoperative-testing_executive.pdf
January 01, 2014 - ,
and cohort studies. … surgeries (37 studies), tonsillectomy (5 studies), cataract
surgery (4 studies), orthopedic surgery … (4 studies), vascular
surgery (3 studies), head and neck/ear, nose, throat
surgery (2 studies), and … Forty studies were
published before 2000, including 7 of the 14 comparative
studies; 17 studies were … Cohort Studies
Given how few comparative studies were available, we
looked at cohort studies to test
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/antipsychotics-adults_executive.pdf
August 01, 2012 - The studies included
121 RCTs, 2 nRCTs, and 2 retrospective cohort studies. … Overall, 113 studies examined schizophrenia or
schizophrenia-related psychoses, 11 studies examined … Placebo-controlled studies
or studies comparing an FGA versus another FGA, or an
SGA versus another … there were few studies. … Almost half the studies involved hospitalized patients
(inpatient treatment) (62 of 125 studies) or
-
effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/liver-cancer_research-protocol.pdf
July 24, 2013 - Case-control studies,
case studies, literature
reviews
Studies that do not
report sensitivity, cost … , and other
observational studies. … Case-control studies,
case studies, literature
reviews
Studies that do not
report sensitivity , cost … Case-control studies,
case studies, literature
reviews
Studies that do not
report sensitivity , cost … )
• Studies of treatment response
• Studies looking at liver metastases
• Studies with imaging conducted