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effectivehealthcare.ahrq.gov/sites/default/files/related_files/ems-911-workforce-mental-health-protocol-amendment.pdf
January 22, 2024 - ● Cohort studies
● Randomized controlled trials
(RCTs)
● Non-randomized comparative
studies … studies
● RCTs
● Non-randomized comparative studies
o Non-randomized controlled trials
o Observational … cohort studies with a comparison group
o Pre-post studies
Implementation studies without a comparison … We will
include filters to remove nonhuman studies and articles that are not primary studies or systematic … be screened for additional eligible studies.
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effectivehealthcare.ahrq.gov/sites/default/files/related_files/version-2-risk-of-reinfection-from-SARSCoV2_0.pdf
December 31, 2022 - For some factors that varied within studies or were specific to certain studies (including demographic … sizes for
the available studies were not large. … Future Research and Ongoing Studies
Longer followup from the included studies should assess whether … Control for demographic characteristics and other confounders varied across studies, and
studies additionally … Ongoing Studies
Appendix E.
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effectivehealthcare.ahrq.gov/sites/default/files/related_files/tethered-spinal-cord-protocol.pdf
July 19, 2023 - comparing two
cohorts, controlled post-only studies, and case-control
studies. … We will differentiate short-term and
long-term outcomes for all studies. … For the diagnostic studies, we will apply criteria consistent with QUADAS-2. … studies that can strengthen evidence statements through confirmation of
results in strong studies. … We will stratify key question 1 (diagnosis) by studies
evaluating first-time diagnosis versus studies
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/wheelchair-users-amended-protocol.pdf
June 21, 2019 - Study design:
• Include for all KQs: Clinical trials and observational studies (cohort studies and … case-control studies) … studies … published since 2014 for pearling of
studies
• Potentially include pre-post studies in the absence … of
clinical trials and controlled observational studies
• Studies with the following sample sizes
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effectivehealthcare.ahrq.gov/sites/default/files/related_files/mental-health-pregnant-protocol.pdf
August 24, 2023 - We will not exclude studies based on their duration. … • EXCLUDE: Single group (noncomparative) studies, including case reports or series
• EXCLUDE: Studies … for studies in
the appendix
evidence
map. … For studies meeting
criteria for full data
synthesis (and for other
large studies [N≥100 per
group … for studies in
the appendix
evidence
map.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/Evidence%20Summary_0_0.pdf
April 01, 2020 - For the studies that addressed the subgroup KQs
(KQs 1b, 2b, 3b, 4b, 5b), we only included studies … We found no studies for KQ
4. … Key characteristics of included studies
Study Characteristics Subcharacteristics
Number of
Studies … 34 56.7
High risk-of-bias studies 25 41.7
Study quality for harms Low risk-of-bias studies 1 1.7
Some … concerns for risk-of-bias studies 23 38.3
High risk-of-bias studies 14 23.3
Unclear risk of bias 1 1.7
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effectivehealthcare.ahrq.gov/sites/default/files/related_files/saturated-fat-replacement-protocol.pdf
January 01, 2024 - of adults
o Parallel or cross-over randomized
controlled trials (RCTs)
n ≥25/group*
• Studies … of children
o Parallel or cross-over RCTs
n ≥25/group*
o Nonrandomized comparative studies
… Key Questions
• Observational studies that do not account
for confounders
• Analyses of dietary … Data Extraction and Data Management
Data from eligible studies will be extracted into SRDR+. … ROBINS-I: a tool for assessing risk of bias in non-
randomised studies of interventions.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-250-cannabis-2024-surv-rep-update-executive-sum.pdf
January 01, 2024 - c (n) = number of studies reporting this characteristic at baseline. … )
[SOE]
Pain Severity
Effect Size (N Studies)
[SOE]
Function
Effect Size (N Studies)
[SOE] … )
[SOE]
SAE
Effect Size (N
Studies)
[SOE]
Dizziness
Effect Size (N
Studies)
[SOE]
Nausea … Effect Size (N
Studies)
[SOE]
Sedation
Effect Size (N
Studies)
[SOE]
Comparable
THC/CBD – … in the United States, studies on long-term outcomes,
studies on nonneuropathic chronic pain, studies
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/ongoing-studies-evidence_research.pdf
December 01, 2010 - Proportion of Completed Studies Among All Eligible Studies That Were Registered
in ClinicalTrials.gov … In July of 2010 ClinicalTrials.gov listed nearly 95,000 studies and
ISRCTN listed over 9,000 studies … All relevant studies of pharmacological treatments for dementia, 99 percent
of the relevant studies … for the NIH sponsored studies. … studies is not as straightforward.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/dyspnea-protocol-amended.pdf
May 19, 2020 - • Animal studies
• Studies with patients under 18 years of age
• Mixed population - Less than … studies that do not report the
outcomes of interest … Studies of Interventions (ROBINS-I tool). … We will conduct meta-
analyses when there are sufficient data (at least two studies) and studies are … RCTs and other intervention studies with a comparison group will be analyzed
separately.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/gaps-pain-management.pdf
January 01, 2023 - These evidence
gaps can inform future research studies, the findings from which can improve clinical … Interventions
• Studies of high THC to CBD ratio products
derived from whole-plant cannabis, with … • Only a small number of studies have evaluated
opioids. … • Studies in underserved populations and
equity in program delivery. … • Studies comparing programs with
pharmacologic treatments.
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effectivehealthcare.ahrq.gov/sites/default/files/selecting-evidence.ppt
January 01, 2010 - These studies include:
All nonexperimental studies
Cohort, case-control, cross-sectional studies
We present … Observational Studies
Observational Studies
Now that we have identified why observational studies should … In other words, all nonexperimental studies are observational studies. … studies. … studies.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/selecting-evidence.ppt
January 01, 2010 - These studies include:
All nonexperimental studies
Cohort, case-control, cross-sectional studies
We present … Observational Studies
Observational Studies
Now that we have identified why observational studies should … In other words, all nonexperimental studies are observational studies. … studies. … studies.
-
effectivehealthcare.ahrq.gov/sites/default/files/dyspnea-advanced-cancer-summary-1.pdf
November 01, 2020 - • Studies showed no difference in effectiveness between different doses or routes of
administration … Strengths and Limitations
We identified numerous studies evaluating a variety of nonpharmacological … However, sample sizes were small, followup was short term, most studies only
used visual analog scales … Most studies
included patients with lung cancer and chronic obstructive pulmonary disease, but we were … Opioids and
anxiolytics were not effective, although studies were limited, and few studies evaluated
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/pressure-ulcer-treatment_executive.pdf
May 01, 2013 - If such studies were not available, we included
cross-sectional studies and intervention series studies … (6 studies). … (7 studies). … (5 studies). … 4 studies).
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-260-improved-cancer-outcomes-disposition-comments.pdf
May 22, 2023 - representativeness of the
populations studies. … Vitamin C
studies do not provide great profits. … We suspect that
observational studies are likely to face similar
challenges. … We note
the role of observational studies in future work in
the discussion. … We suspect that
observational studies are likely to face similar
challenges.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/migraine-treatments-research-amended-protocol.pdf
January 09, 2020 - meta-analyses (used for
identifying additional studies)
In vitro
studies, non-
original data … )
studies,
before-after
studies,
survey
Publications Studies published in English only. … Studies included by either reviewer will
be retrieved for full-text screening. … We will evaluate
heterogeneity between studies using I2 indicator. … vs. estimates derived from studies
at low risk of bias; or 2) when all the available studies (in a
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/rapid-evidence-heart-disease.pdf
October 01, 2022 - Thirteen studies (3 RCTs and 10 PSM studies) were included in the meta-analysis with a total of
18,855 … Three included studies
comparing PCI to OMT reported CV mortality and 15 included studies reported MI … Twelve studies (3 original
RCTs, 1 long-term extension of an RCT, and 8 observational studies) were … Non-randomized
studies, observational studies,
and studies of non-CTO lesions
or treatment with CABG … Included Studies: Three RCTs
(DECISION-CTO, EUROCTO,
REVASC); 14 observational
studies.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/infantile-hemangioma_executive.pdf
January 01, 2016 - and 19 retrospective cohort
studies, 2 diagnostic accuracy studies (defined as studies
that compared … to
RCT studies only. … Six comparative studies addressed timolol
(two RCTs and four cohort studies). … Studies of Surgical Treatment
Few comparative studies addressed surgical approaches. … ≤5% of children in
6 studies.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/hnhc-disposition-comments.pdf
October 29, 2021 - o Results: We clarified the distinction between the number of articles and studies. … We further clarified the definition of “serious
mental illness” used in specific studies. … evaluated the rigor of these
studies. … In relation to intervention studies, we
added the concern that these studies were generally not designed … We
didn’t find studies
with a reference to
that role.