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effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/assessing-the-risk-of-bias-in-systematic-reviews-of-health-care-interventions-01_0.pdf
May 01, 2005 - more prognostic variables (factor
that predict the outcome of interest) influences
whether study participants … into the
studyg
When participants (or initial followup time for
some participants only) are selected … are not accounted for in the analyses
• Outcome data are reasonably completeh and proportion of
participants … X
• Confounding variables that are controlled for in the analysis
are reasonably complete across participants … X
• Outcomes are measured using valid and consistent
procedures and instruments across all study participants
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effectivehealthcare-admin.ahrq.gov/about/history/listening
September 01, 2017 - Agency for Healthcare Research and Quality
These remarks were followed by an open forum in which participants
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effectivehealthcare-admin.ahrq.gov/sites/default/files/product/pdf/assessing-the-risk-of-bias-in-systematic-reviews-of-health-care-interventions-01.pdf
May 01, 2005 - more prognostic variables (factor
that predict the outcome of interest) influences
whether study participants … into the
studyg
When participants (or initial followup time for
some participants only) are selected … are not accounted for in the analyses
• Outcome data are reasonably completeh and proportion of
participants … X
• Confounding variables that are controlled for in the analysis
are reasonably complete across participants … X
• Outcomes are measured using valid and consistent
procedures and instruments across all study participants
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effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/osteoarthritis-knee-update_research-protocol.pdf
June 15, 2016 - In addition, the proportion of participants who experienced improvement should be
abstracted if reported … § If three or more RCTs of a particular intervention are included that enroll
at least 50 participants … knee only may improve pain in that knee but may not markedly
improve function
o Studies that use participants … Assessing Applicability – We will consider applicability of participants and interventions
separately … populations (mean age less than 50), those with only
early stage or mild disease, those enrolling participants
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effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/transparency-neuropathy_research-protocol.pdf
September 01, 2016 - ClinicalTrials.gov captures several data
elements including number of enrolled and completed trial participants … the intervention was the same AND 1
or more groups in the trial had an identical number of study participants … Reasons for delays (if any)
Population Total enrollment, sample size in each arm, drop-outs
Participants
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effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/smoking-pregnancy-infants_executive.pdf
February 01, 2014 - Studies were required to include a minimum of 20
participants with data in each study arm. … studies are needed to confirm the effectiveness of this
intervention, as the study included only 54 participants … in the full report)
summarize the total number of studies and, within those
studies, the number of participants … Note: Table shows data from 8, 086 participants randomized in 23 RCTs. … Interventions were generally more
effective among participants with lower levels of tobacco
dependence
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effectivehealthcare-admin.ahrq.gov/sites/default/files/s158.pdf
October 01, 2007 - Results: Validation studies are categorized as internal (ie, additional
information is collected on participants … The main limitations stem
from selection of participants into trials who are healthier and
want to pursue … not
represented in trials.1
In observational studies, it is possible to include a wide
variety of participants … This subsample can then be
conceptualized as “complete subjects,” in contrast to the
other participants … Internal validation studies depend on the feasibility of
collecting additional data from study participants
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effectivehealthcare-admin.ahrq.gov/products/effect-dietary-digestible/research
March 01, 2025 - The systematic review on cardiovascular outcome included 21 prospective cohort studies with 1,277,621 participants … The systematic review on diabetes and body composition included 17 studies with 497,941 participants.
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effectivehealthcare-admin.ahrq.gov/sites/default/files/wysiwyg/pdf/epc-clinical-preventive-care-grand-rounds-slides.pptx
December 19, 2024 - All participants received an IPV resource list. … None of the studies recruiting from emergency departments explicitly excluded participants with injuries … that would be indicative of abuse, although most studies did exclude participants who were too ill to … “VA” refers to studies that recruited participants via mail survey who were registered as a patient with … from 65 to 87 percent and specificity ranged from 80 and 95 percent; limiting to studies enrolling participants
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effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/pharma-nonpharma-ptsd-2022-update-app-g2-3.xlsx
January 01, 2022 - Bias Due to Deviations From Intended Interventions (Cochrane) or Performance Bias (AHRQ); Masking Participants … 1.2) Was the allocation sequence concealed until participants were enrolled and assigned to interventions … 2.2) Were carers and people delivering the interventions aware of participants' assigned intervention … RoB judgement 3.1) Were data for this outcome available for all, or nearly all, participants randomized … PN/NI to both previous questions) Were outcome assessors aware of the intervention received by study participants
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effectivehealthcare-admin.ahrq.gov/products/cerebral-palsy-feeding/research-protocol
December 01, 2019 - We anticipate that participants in studies of surgical interventions likely have more severe feeding … and personnel)
Described all measures used, if any, to blind study participants and personnel from … Reviewer Comments:
Performance bias due to knowledge of the allocated interventions by participants … Not described in sufficient detail
Judgment: Blinding (participants and personnel)
High
Low … Detection bias
Were the outcome assessors blinded to the intervention or exposure status of participants
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effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/traumatic-brain-injury-rehabilitation-future_research.pdf
January 01, 2013 - Participants were active duty
military patients with closed head injuries and with relatively mild impairment … Participants began treatment within 6 months of injury. … Participants were active duty
military patients with closed head injuries and with relatively mild impairment … Participants began treatment within 6 months of injury. … All participants provided
input on the calls.
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effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/cer-256-telehealth-women-preventive-services-executive-summary.pdf
June 01, 2022 - comparator
Preventive
Service Outcome Intervention Comparison
Number of
Studies;* Study
Design;
Participants … 5
Preventive
Service Outcome Intervention Comparison
Number of
Studies;* Study
Design;
Participants
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effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/weight-gain-prevention_research-protocol.pdf
January 01, 2020 - • Approaches that educate the participants about an intervention
will be reported in the section … If a study includes a
portion of participants under age 18 and results are not reported
separately … □ For KQ1-5 inclusion, the participants measured at the first timepoint
must be the same participants … □ For KQ6 inclusion, the participants measured at the first timepoint
are not required to be the … same participants as those measured at
least 1 year later.
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effectivehealthcare-admin.ahrq.gov/products/weight-gain-prevention/research-protocol
December 01, 2019 - criteria or are directed at the entire population. 22 23
Self-management Approaches To Maintain Weight
Participants … Approaches that educate the participants about an intervention will be reported in the section about … If a study includes a portion of participants under age 18 and results are not reported separately for … For KQ1–5 inclusion, the participants measured at the first timepoint must be the same participants measure … For KQ6 inclusion, the participants measured at the first timepoint are not required to be the same participants
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effectivehealthcare-admin.ahrq.gov/products/cervical-degenerative-disease/research
February 01, 2024 - In the total NIS sample, 42 percent of participants had radiculopathy alone and 31 percent had myelopathy … applicability of this body of evidence to clinical practice include: (1) many studies required enrolled study participants … the upper age of enrollment and included individuals in their 60s or 70s (although the mean age of participants … Reasons for lower applicability to clinical practice include the exclusion of participants with a variety … While those that did tended to enroll white participants, it is unclear how differences in access in
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effectivehealthcare-admin.ahrq.gov/products/transparency-neuropathy/research-protocol
June 01, 2021 - ClinicalTrials.gov captures several data elements including number of enrolled and completed trial participants … if the intervention was the same AND 1 or more groups in the trial had an identical number of study participants … Reasons for delays (if any)
Population
Total enrollment, sample size in each arm, drop-outs
Participants
-
effectivehealthcare-admin.ahrq.gov/products/registries-forums/research
March 01, 2022 - Meeting participants by stakeholder group (N=73)
The in-person meeting combined presentations from … Peripheral participants are those who have a sustained connection to the community, but are less engaged … Transactional participants are individuals who occasionally interact with the community to provide or … An in-person kickoff meeting was held in June 2012, and participants pledged to meet again to generate … Target the Web-based CoP to a broad audience of registry participants; registry designers, managers
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effectivehealthcare-admin.ahrq.gov/products/n-1-trials/research-2014-2
August 01, 2019 - Both groups demonstrated small improvements in quality of life for the n-of-1 trial participants, resulting … In the Queensland trials the pain difference for the n-of-1 trial participants versus no-trial group … continue theophylline at 3 months (35%). 16 By the end of the trial at 12 months, 16 of 34 n-of-1 participants … and usual-care participants (81% n-of-1 vs. 79% usual care). 4 This relatively small trial (N = 51) … Trials reported to date have found limited differences in outcomes between n-of-1 participants and usual
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effectivehealthcare-admin.ahrq.gov/products/colorectal-cancer-hepatic-therapy/abstract
December 01, 2019 - between trial and non-experimental data) not only for patients with attributes similar to clinical trial participants