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www.ahrq.gov/patient-safety/reports/liability/crane.html
August 01, 2017 - to motivate staff, including some that used the financial incentive to reward reporting, we did not design
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www.ahrq.gov/data/apcd/envscan/context.html
June 01, 2017 - This approach facilitates having adequate sample sizes to make precise statements about patterns of care … out-of-pocket payments for different consumers depending on whether the patient is insured and the benefits design
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www.uspreventiveservicestaskforce.org/home/getfilebytoken/R33bUm6oyjhWnbw96pJHwE
April 01, 2009 - evidence from
RCTs preferentially, then well-designed non-RCTs and high-quality
observational studies with sample … sizes of at least 1000. … High-quality observational study with a sample size of �1000
PEDIATRICS Volume 123, Number 4, April … patients included in study The test and gold standard are measured
independently (blind) of each other
Sample … size The test and gold standard are applied as close
together in time as possible
Administration of
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hcup-us.ahrq.gov/reports/statbriefs/sb120.pdf
September 01, 2011 - For a detailed description of HCUP, more information on the design of the NIS, and methods to calculate
-
hcup-us.ahrq.gov/reports/statbriefs/sb124.pdf
January 01, 2012 - For a detailed description of HCUP, more information on the design of the NIS, and methods to calculate
-
hcup-us.ahrq.gov/reports/statbriefs/sb126.jsp
February 01, 2012 - For a detailed description of HCUP, more information on the design of the NIS, and methods to calculate
-
hcup-us.ahrq.gov/reports/statbriefs/sb125.jsp
February 01, 2012 - For a detailed description of HCUP, more information on the design of the NIS, and methods to calculate
-
www.uspreventiveservicestaskforce.org/uspstf/recommendation/skin-cancer-screening-july-2016
July 26, 2016 - possible, a high-quality case-control study could provide sufficient power without requiring a large sample … size. … However, this study design has limitations in the ability to create an appropriate comparison group,
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hcup-us.ahrq.gov/reports/statbriefs/sb10.jsp
July 10, 2006 - Statistical Brief #10
An official website of the Department of Health & Human Services
Search All AHRQ Websites
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…
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/distributed-network-safety_research.pdf
July 01, 2009 - This report addresses the design specifications, such as technical design, key
infrastructure components … However, information from more than
one electronic data system may be needed in order to attain sample … sizes that provide sufficient
Effective Health Care Research Report Number 13
3
statistical … The summary data are typically used
to further define a detailed study protocol and assess final sample … size and power.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/acs-depression-research-protocol-amended.pdf
February 15, 2017 - • Original peer-reviewed data
• KQ 1: Observational studies, sample size ≥50 subjects
• KQ 2: Randomized … controlled trials (RCTs), sample
size ≥20 subjects
Editorials, nonsystematic
reviews, letters, … They had serious errors in design, analysis, or
reporting; large amounts of missing information; or … Influence of trial sample size on
treatment effect estimates: meta-epidemiological study. … Therefore
study questions, design, and methodological approaches do not necessarily represent the
views
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www.ahrq.gov/sites/default/files/2024-01/johnson-baughman-report.pdf
January 01, 2024 - Methods
Callback Form Design
In an effort to systematically capture dialog data from the three outpatient … The
initial form design was tested over a period of approximately 2 weeks and reviewed for utility … A second challenge to the study design was a delay of about 3 months due to issues with the
release … This itemization
process increased the sample size to 504 total callbacks. … Although the
randomized design should have impacted both the control and intervention days equally,
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/dementia-nursing-home-characteristics_research-protocol.pdf
November 03, 2011 - of the population with
dementia is <80%
a
Geography United States All other countries
b
Sample … Size Trials with an N ≥ 30
c
Observational studies, if included, N
≥ 100
f
Trials with … We will
design data abstraction forms to gather pertinent information from each
article, including … A “poor” study has
significant bias (e.g., stemming from serious errors in design or analysis) that … Therefore
study questions, design and/or methodological approaches do not necessarily represent
the
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/nppv-respiratory-failure_executive.pdf
July 01, 2012 - outcomes,
flexibility of the intervention and study duration,
assessment of adverse effects, adequate sample … size
for important health outcomes, and intention-to-treat
approach to analyses. … For risk of bias we considered basic
(e.g., RCT) and detailed study design (e.g., adequate
randomization … Number
of Studies
(Subjects)
Domains Pertaining to SOE Strength of Evidence
Risk of Bias:
Study Design … • Few studies had adequate sample sizes to address
effects on length of stay.
-
hcup-us.ahrq.gov/reports/statbriefs/sb308-hospital-sepsis-2019-2021.pdf
January 01, 2021 - Because of the large sample size of the available data, small
differences can be statistically significant
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/pneumonia-antibiotic-treatment_disposition-comments.pdf
November 24, 2014 - We think this covers the current
future research needs for study design on this topic. … is absolutely no valid signal in these
smaller studies, is there any reason to think that larger
sample … sizes and better designs would change the
results? … PK/PD approaches are
beneficial, this may be difficult to prove without a trial with
a very large sample … size.
-
www.ahrq.gov/sites/default/files/2024-01/mccarthy-report.pdf
January 01, 2024 - Study Design: We conducted a three-arm, physician-randomized, pragmatic trial of the ED EMC2 Opioid
Strategy … of the Universal Medication
Schedule and is based on tenets of patient-centered
prescription label design … Despite these attempts to improve recruitment, ultimately, the biggest limitation
of the study was the sample … size not reaching the planned enrollment target. … complete communication strategy for opioid prescriptions in the emergency department:
Rationale and design
-
digital.ahrq.gov/sites/default/files/docs/citation/r21hs024567-dorsch-final-report-2019.pdf
January 01, 2019 - Methods (Study Design, Data Sources/Collection, Interventions, Measures, Limitations). … Study Design. This research was performed in 2 phases that correlates with the 2 aims. … The study design
included an App (Intervention) and No App group (Control) in an unblinded fashion. … Methods (Study Design, Data Sources/Collection, Interventions, Measures, Limitations). … Study Design.
Data Collection.
Intervention.
Measures.
Limitations.
-
hcup-us.ahrq.gov/reports/statbriefs/sb117.pdf
June 01, 2011 - For a detailed description of HCUP, more information on the design of the NIS, and methods to
calculate
-
www.ahrq.gov/sites/default/files/wysiwyg/sops/events/webinar/03-sops-overview-webcast-tyler.pdf
January 01, 2025 - AHRQ’s Surveys on Patient Safety Culture® for New Users - Rose Tyler
AHRQ’s SOPS Program
www.ahrq.gov/sops
Rose Tyler
User Network for AHRQ’s Surveys on Patient Safety Culture, Westat
http://www.ahrq.gov/sops
SOPS Surveys and Databases
• Surveys of providers and staff about the extent to which their
organizatio…