-
meps.ahrq.gov/data_files/publications/mr9/mr9.pdf
May 01, 2000 - sizes, and response rates. … Sample sizes and participation rates by provider type . . . . . . . . . . . . . . . . . . . . . . . . … Sample Sizes and Participation
Rates
For data collection purposes, a sampled medical
provider, along … Table 2 contains a summary of 1996 sample sizes
and participation rates for the various types of medical … Sample sizes and participation rates in the Medical Provider
Component sample by provider type, 1996
-
meps.ahrq.gov/mepsweb/sitemap.jsp
Survey questionnaires
— Glossary of terms used in survey questionnaires
— Sample Design … and Data Collection Process
— Sample size
— Response rates
— MEPS … questionnaires
— Glossary of terms
used in survey questionnaires
— Sample Design … and Data Collection Process
— Sample size
— Response rates
— Technical
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hcup-us.ahrq.gov/db/nation/kid/reports/KID_1997_Comparison.pdf
January 01, 1997 - ......... 21
Table 21: Sample Sizes – By Hospital Strata, 1997 ..................................... … Sample sizes are evaluated for each of the comparisons that
follow. … Table 24 compares the sample sizes of the two samples by patient categories. … NHDS estimates may be affected
by small sample sizes (Table 32). … These length-of-stay differences may be due to restricted NHDS
sample size and differences in the types
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/dietary-protein-intake-protocol-amendment.pdf
November 28, 2023 - (including sample size, age, gender/sex, race/ethnicity,
socioeconomic status, physical activity level … size
for metabolic
Smaller sample sizes may
be observed for highly
controlled metabolic
14 … Thus, studies
performed in this
population will also be
included regardless of
sample size.
11/ … Smaller sample sizes may
be observed for highly
controlled metabolic
studies due to the level of … Thus, studies
performed in this
population will also be
included regardless of
sample size.
11/
-
hcup-us.ahrq.gov/reports/methods/2006_3.pdf
January 01, 2006 - KID and NHDS Sample Sizes by Region, 2003
Sample Size
(Unweighted Records)
Region KID NHDS
Relative … KID and NHDS Sample Sizes by Hospital Strata, 2003
Sample Size
(Unweighted Records)
Control and Size … KID and NHDS Sample Sizes by Diagnosis Category, 2003
Sample Size
(Unweighted Records)
Diagnosis … KID and NHDS Sample Sizes by Rare Diagnosis Category, 2003
Sample Size
(Unweighted Records)
Diagnosis … KID and NHDS Sample Sizes by Procedure Category, 2003
Sample Size
(Unweighted Records)
Procedure
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/migraine-future_research.pdf
April 01, 2013 - Again, blinding and sample size are key considerations. … Multi-site trials should be considered to
recruit adequate sample sizes. … This should be considered when calculating sample size. … Again, blinding and sample size are key considerations. … This should be considered when calculating sample size.
-
www.ahrq.gov/sites/default/files/wysiwyg/research/findings/making-healthcare-safer/mhs3/ade.pdf
November 11, 2019 - Author, Year Description of Patient
Safety Practice
Study Design;
Sample Size;
Patient Population … Author, Year
Description of
Patient Safety
Practice
Study Design;
Sample Size;
Patient Population … ;
Sample Size;
Patient Population
Setting Outcomes:
Benefits
Outcomes:
Harms
Implementation … ;
Sample Size;
Patient Population
Setting Outcomes:
Benefits
Outcomes:
Harms
Implementation … ;
Sample Size;
Patient Population
Setting Outcomes:
Benefits
Outcomes:
Harms
Implementation
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/antipsychotics-children-future_research.pdf
February 01, 2012 - sizes. … Sample Size Requirements
This section provides a simple framework for thinking about the sample size … sizes (for
example, see Cohen12
The sample size estimates assume statistical power of 0.80 and a two-tailed … Java Applets for power and
sample size [Computer software]. 2006-9. … If sample size is
large, this design may be the best
method to assess subgroup effects or
incidence
-
hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2001_Design_Report.pdf
January 01, 2001 - This sample size was determined by AHRQ based on their
experience with similar research databases. … sizes yield good estimates. … This
was two more than the target sample size of 134 hospitals, resulting in a surplus of two
hospitals … We sampled more than the target number of
hospitals in each region because we rounded the target sample … size for each stratum up to the
next highest integer whenever it was not an integer.
-
hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2005_Design_Report.pdf
January 01, 2005 - 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 … This was four more than the target
sample size of 134 hospitals, resulting in a surplus. … We sampled more than
the target number of hospitals in each region because we rounded the target sample … size for
each stratum up to the next highest integer whenever it was not an integer.
-
hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2004_Design_Report.pdf
January 01, 2004 - 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 good estimates … This was four
more than the target sample size of 131 hospitals, resulting in a surplus. … We sampled more than the target number of hospitals in each region because we
rounded the target sample … size for each stratum up to the next highest integer whenever it was
not an integer.
-
hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2002_Design_Report.pdf
January 01, 2002 - 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 good estimates … This was three
more than the target sample size of 133 hospitals, resulting in a surplus of three hospitals … We sampled more than the target number of
hospitals in each region because we rounded the target sample … size for each stratum up to the
next highest integer whenever it was not an integer.
-
hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2003_Design_Report_Edited_012506.pdf
January 01, 2003 - 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 good estimates … This was three
more than the target sample size of 131 hospitals, resulting in a surplus of three hospitals … We sampled more than the target number of
hospitals in each region because we rounded the target sample … size for each stratum up to the
next highest integer whenever it was not an integer.
-
hcup-us.ahrq.gov/db/nation/kid/reports/CalculatingKIDVariances.pdf
December 16, 2005 - SE Mean 216.08644
Variable ASTMHA 1
Sample … Size 102095.00000
Weighted Size 173381.79587
Total 23.65412
Lower 95% Limit … Manton, "Equivalent Sample Size" and "Equivalent Degrees of Freedom" Refinements for
Inference Using … For the sample selection procedure, the sample design can be a complex multistage sample design that … Control language
specifies the selection methods, the desired sample size or sampling rate, and other
-
hcup-us.ahrq.gov/reports/methods/2005-07.pdf
January 01, 2005 - SE Mean 216.08644
Variable ASTMHA 1
Sample … Size 102095.00000
Weighted Size 173381.79587
Total 23.65412
Lower 95% Limit … Manton, "Equivalent Sample Size" and "Equivalent Degrees of Freedom" Refinements for
Inference Using … For the sample selection procedure, the sample design can be a complex multistage sample design that … Control language
specifies the selection methods, the desired sample size or sampling rate, and other
-
www.ahrq.gov/sites/default/files/2024-11/laveist-report.pdf
January 01, 2024 - Thus, sample size
computations must account for this clustering. … size estimates must be inflated by a
design effect (Campbell et al. 2001). … Thus, our standard sample size estimate of 165 must be inflated by
45%, which is 165(1.45)=239.25. … In Table 1, we
present the estimated sample sizes needed to detect proportion differences by
gender … To detect this difference, we
will need a sample size of 367.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/ehc-presentation-quantitative-synthesis-chapter-2.pdf
February 01, 2018 - sizes, and standard errors. … sizes … size bias.5
► Transformation is achieved by multiplying Cohen’s d by a function of
the total sample … size:
𝑔𝑔 = 𝑑𝑑 1 −
3
4𝐿𝐿 − 9
► For very large sample sizes Cohen’s d and Hedges’ g will be … Where:
N = total trial sample size
Ratio of means
• Ratio of means (RoM) is an alternative to the
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2020.jsp
January 01, 2020 - data but that comprises as much
as 34 percent of Medicare beneficiaries. 1 The NIS' large
sample … size enables analyses of rare conditions, uncommon treatments, and special
patient populations. … The new NIS retains a large sample size, which enables analyses of rare conditions, uncommon treatments … size. … This sample size was determined by AHRQ based on their experience with similar research databases.
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2021.jsp
January 01, 2021 - comprises as much as 46 percent of
eligible Medicare beneficiaries in 2021. 1 The
NIS' large sample … size enables analyses of rare conditions, uncommon
treatments, and special patient populations. … The new NIS retains a large sample size, which enables analyses
of rare conditions, uncommon treatments … size. … This sample size was determined by AHRQ based on their experience with
similar research databases.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/adhd-future_research.pdf
May 01, 2012 - Sample Size Required To Detect Treatment Effects in a 2x2 Factorial Design ..............26
Table 4. … Sample Size Required To Detect Treatment Effects in a 2x2 Factorial Design
With Repeated Measures .. … • Resource use, size, and duration
o This design option would require a sample size of at least … Sample size required to detect treatment effects in a 2x2 factorial design with repeated
measures … Our consideration of relevant design characteristics and sample size
was informative to illustrate the