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digital.ahrq.gov/population/individuals-chronic-care-needs
August 01, 2024 - Self-Management Via Adaptive Mobile Messaging
A flexible micro-randomized trial design … and sample size considerations. … A flexible micro-randomized trial design and sample size considerations.
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hcup-us.ahrq.gov/db/nation/nis/reports/2003niscomparisonrpt.jsp
May 01, 2016 - One of the most distinctive features of the NIS is that its large sample size allows for the study of … Although the smaller sample size rendered NHDS estimates less precise than NIS estimates, the complete … Because of the limited sample size, valid estimates were not available for all breakdowns of the NHDS … We must emphasize that the NIS provides a large sample size that tends to yield estimates with much smaller … Because NIS estimates have greater precision – the result of the large sample size – it may be preferred
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hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2017.jsp
January 01, 2017 - The HCUP Sample Design tutorial is designed to help users learn how to account for sample design in … estimates ( encounter universe ), tabulated in strata used in the sampling design. … Examine the strata with deficient ratios or sample sizes. … The NASS sampling design consists of a stratified, single-stage cluster sample. … Census region was considered as an essential stratum to include in the design.
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www.uspreventiveservicestaskforce.org/uspstf/about-uspstf/methods-and-processes/procedure-manual/procedure-manual-appendix-vi-criteria-assessing-internal-validity-individual-studies
July 01, 2017 - Thus, studies of any design that use outdated technology or technology that is not feasible for primary … Presented below are a set of minimal criteria for each study design and a general definition of three … size
Reliable screening test
Definition of ratings based on above criteria:
Good: Evaluates … size (50 to 100 subjects) and a "medium" spectrum of patients. … size or very narrow selected spectrum of patients.
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hcup-us.ahrq.gov/db/nation/nis/reports/2002niscomparisonrpt.jsp
June 01, 2016 - Although the smaller sample size rendered NHDS estimates less precise than NIS estimates, the complete … Because of the limited sample size, valid estimates were not available for all breakdowns of the NHDS … We must emphasize that the NIS provides a large sample size that tends to yield estimates with much smaller … Because NIS estimates have greater precision � the result of the large sample size � it may be preferred … Where a comprehensive geographic representation is more important than a large sample size, and the question
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/wheelchair-users-amended-protocol.pdf
June 21, 2019 - Sample
size, clarification of specific interventions and outcomes for inclusion or exclusion, and
the … Study sample sizes will be ≥30
for MS and SCI, and ≥20 for CP. … “Study sample
sizes will be ≥30
for MS and SCI,
and ≥20 for CP.” … “Study sample
sizes will be ≥30
for MS and ≥20
for SCI and CP.” … Changing the
sample size for
SCI studies to
n=20 increases
the number of
includable SCI
studies
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www.ahrq.gov/patient-safety/quality-resources/tools/chtoolbx/measures/measure-6.html
November 01, 2017 - Databases
Service Delivery and Units of Analysis
Length-of-Enrollment Requirements
Data Issues
Sample … Sizes
Resource and Burden Issues
Development Process
Criteria Used
More Information and User … Return to Contents
Sample Sizes
The Guidelines for Implementing the Promoting Healthy Development … sizes needed for specific applications of the PHDS. … sizes needed to assess at the office and/or health care provider level.
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www.ahrq.gov/sites/default/files/wysiwyg/pqmp/measures/perinatal/chipra-169-fullreport.pdf
February 01, 2017 - Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level?
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hcup-us.ahrq.gov/reports/methods/2000NISComparisonReportFinal.pdf
February 28, 2003 - Although the smaller sample size rendered the NHDS estimates less precise than the NIS
estimates, the … size of
the NHDS, yielding insufficient sample sizes to produce valid estimates. … We must emphasize that the
NIS provides a large sample size that tends to yield estimates with much … Because NIS estimates have greater precision rooted in a large sample size, it may be
preferred for … Where a comprehensive geographic representation is more important than a
large sample size, and the
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hcup-us.ahrq.gov/reports/methods/2017-02.pdf
January 01, 2017 - Increasing the sample size would increase the
power to detect small differences for rare conditions. … Increasing the
sample size would increase the power to detect small differences for rare conditions. … One issue with increasing the sample size is a possible shortage of HCUP hospitals for
sampling in certain … If we increase the sample size to 30 percent, there would be 42 strata (six more strata than with
a … If we increase the sample size to 40 percent, there would be 50 strata (14 more strata than a 20
percent
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meps.ahrq.gov/survey_comp/ic_technical_notes.shtml
January 01, 2020 - size to make State-level estimates at least once
every four years. … size to support reliable estimates with the MEPS-IC are geographically defined in … sizes in each stratum are equal to that required
by the allocation … where, h represents the sampling stratum, n h is the sample … size after
nonresponse
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meps.ahrq.gov/data_files/publications/st407/stat407.shtml
June 01, 2013 - References
For a detailed description of the MEPS-HC survey design, sample design, and methods used … size. … size. … Statins
2000 8.8 6.0 *
2010 7.6 6.6 6.3
* Estimate cannot be provided due to small sample … size.
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hcup-us.ahrq.gov/db/nation/kid/reports/KID_2003_Design_Edited_013006.pdf
January 01, 2003 - ......................................................................................... i
Sample Design … Sample Design
Design Considerations
The overall design objective was to select a sample of pediatric … HCUP KID 2003 (01/30/2006) 4 Design of the HCUP KID, 2003
5. … of the HCUP KID, 2003
SAMPLE DESIGN
Design Considerations
The overall design objective was to … HCUP KID 2003 (01/30/2006) 25 Design of the HCUP KID, 2003
Introduction
Sample Design
Design
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hcup-us.ahrq.gov/db/nation/nis/reports/2001niscomparisonrpt.jsp
November 01, 2015 - Although the smaller sample size rendered the NHDS estimates less precise than the NIS estimates, the … Because of the limited sample size, valid estimates were not available for all breakdowns of the NHDS … We must emphasize that the NIS provides a large sample size that tends to yield estimates with much smaller … Because NIS estimates have greater precision – a result of the large sample size – it may be preferred … Where a comprehensive geographic representation is more important than a large sample size, and the question
-
digital.ahrq.gov/ahrq-funded-projects/improving-diabetes-and-depression-self-management-adaptive-mobile-messaging
January 01, 2024 - Messaging Population: Individuals with Chronic Care Needs
A flexible micro-randomized trial design … and sample size considerations. … A flexible micro-randomized trial design and sample size considerations. … mobile application to increase physical activity among university students: Implications for future design … Assessing mobile phone digital literacy and engagement in user-centered design in a diverse, safety-net
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2007.jsp
January 01, 2007 - The NIS’ large sample size enables analyses of rare conditions, such as congenital anomalies; uncommon … The sampling design consisted of a stratified, single-stage cluster sample. … Return to Introduction
Hospital Sample Design
Design Considerations
The NIS is a stratified … This sample size was determined by AHRQ based on their experience with similar research databases. … While this approach was admittedly less efficient, the extremely large sample sizes yield reliable estimates
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2008.jsp
January 01, 2008 - The NIS’ large sample size enables analyses of rare conditions, such as specific types of cancer; uncommon … The sampling design consisted of a stratified, single-stage cluster sample. … Return to Introduction
Hospital Sample Design
Design Considerations
The NIS is a stratified … This sample size was determined by AHRQ based on their experience with similar research databases. … While this approach was admittedly less efficient, the extremely large sample sizes yield reliable estimates
-
meps.ahrq.gov/data_files/publications/st63/stat63.pdf
January 01, 2005 - References
For a detailed description of the MEPS-HC survey design, sample design, and methods used … Design and Methods of the Medical Expenditure Panel Survey Household Component. … Sample Design of the 1996 Medical Expenditure Panel Survey Household Component.
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effectivehealthcare.ahrq.gov/sites/default/files/related_files/ptsd-5-final-report-update-2024-executive-summ.pdf
January 01, 2024 - o Overall, most studies were conducted in the United States (58%) and had
sample sizes in the range … sizes were in the range of 25 to 99 participants in most
studies (61%). … A total of 48,177
participants are represented; sample sizes ranged from 8 to 1,001 with most studies … The newly added studies had sample sizes ranging from 22 to 1,001,
with most studies (61%) having a … sample size between 25 and 99 participants.
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effectivehealthcare.ahrq.gov/sites/default/files/related_files/dental-jaw-rapid-response.pdf
May 01, 2025 - : study design, study population eligibility criteria, sample size, follow-up
duration, setting … Sample Size
Medication
Confounder
Adjustment
Exposure Group
MRONJ Occurrence
Prevalence … (%)
(Cases/Sample Size)
Incidence
Summary of Findings
Alblazi38
2024
Malaysia
Medium … Sample Size
Medication
Confounder
Adjustment
Exposure Group
MRONJ Occurrence
Prevalence … sizes.