-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/antidepressants-update_executive.pdf
December 01, 2011 - • elderly or very elderly patients
• other demographic groups (defined by age,
ethnic or racial groups … public process involving the public, the
Scientific Resource Center (SRC), and various
stakeholder groups … naturalistic study
provides fair-quality evidence that rehospitalization
rates do not differ between groups … eszopiclone compared with
fluoxetine alone showed no statistically significant
difference between the groups … head-to-head trials comparing the efficacy
of second-generation antidepressants in different racial
or ethnic groups
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/ear-infection_disposition-comments.pdf
May 04, 2013 - was to
examine treatment options for subgroups of
patients including individuals defined by age
groups … We have noted in the text the age groups of the
children included in the studies. … The Vlastos
and colleagues study did not find any differences
between groups receiving tubes plus … No difference between early tubes and watchful waiting groups. … In these
studies, the non-tubed ear in both groups is
compared.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/rapid-review-production_white-paper.pdf
February 01, 2015 - We categorized rapid products into four groups based on the extent of synthesis:
(1) ”inventories” list … Data from articles in groups 3 and 4 were extracted, synthesized and informed the results. … This in large part explains the broad portfolio of products often produced by rapid
response groups … Finally, maintaining a highly skilled staff
is especially critical to rapid response groups who need … The timeframe also
explains the choice of some groups to rely heavily on prior systematic reviews.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/hepatitis-c-screening_research-protocol.pdf
October 20, 2011 - Screening of the general population versus “targeted” high-risk groups (KQ 2)
3. … methods used for randomization,
allocation concealment, and blinding; the similarity of compared groups … at baseline; maintenance
of comparable groups; adequate reporting of dropouts, attrition, crossover
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/juvenile-arthritis-dmards_executive.pdf
September 01, 2011 - The rate and type of adverse events did not differ
between treatment groups in these studies. … The rate and
type of adverse events were generally similar
between intervention and placebo groups, … a DMARD, in the
comparator group, while older studies do not
include methotrexate in the comparator groups
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/ptsd-adults-trauma-interventions_research-protocol.pdf
November 08, 2012 - Not surprisingly, studies among groups at risk of occupational exposure to
trauma, such as police officers … differ for characteristics of traumatic
exposure or subpopulations with respect to:
• Demographic groups … (defined by age, ethnic and racial groups, and sex);
• Psychiatric comorbidities; or
• Personal … – Subgroups of interest include:
o Demographic groups (defined by age, ethnic and racial groups … of
bias during quality
assessment
• Studies with historical,
rather than concurrent,
control groups
-
effectivehealthcare.ahrq.gov/sites/default/files/wysiwyg/accountable-care-registries-guide-3rd-ed-addendum-white-paper-2018-5.pdf
January 01, 2018 - and preventing medical errors.”2 Many types of
organizations, including hospital systems, physician groups … MSSP) ACOs
A permanent Medicare program mandated by the Affordable Care Act offering a pathway
for groups … than
one EHR system; for example, a hospital may use an inpatient EHR system, while the physician
groups … stratification
differs from patient segmentation in that patient segmentation may include defining groups … Utilizing the
registry data, new algorithms can be analyzed and tested to identify new risk groups and
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/insomnia_disposition-comments.pdf
December 30, 2015 - would seem that QoL could also be conceptualized as
Our thoughts in classifying outcomes into three groups … } Investigators assessed several types of bias
including selection bias (method of randomization,
groups … Investigators assessed several types of
bias including selection bias (method of
randomization, groups … Formal meta-analysis demonstrated a higher
incidence of infection among drug groups than among
randomized … placebo groups.
-
effectivehealthcare.ahrq.gov/sites/default/files/considerations-for-statistical-chapter-10.pptx
January 01, 2013 - If the propensity score is used for adjustment, balance in study covariates between exposure groups should … assessment of the propensity score is to visually examine the propensity score distributions across exposure groups … sample size, limiting efficiency
Can result in potential bias if missingness is differential between groups
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/renal-function_executive.pdf
August 01, 2014 - Similarly, the rate of change from 0-6 or 6-12 hours after
admission was not different between groups … Regarding troponin I, one study reported areas under the
curve for ACS diagnosis across groups of CKD … in CKD patients found that peak cardiac troponin I
values were similar between the two management groups … one study reporting more cardiac
deaths within 1 year and a second reporting no differences
between groups … advanced
(<30ml/min) CKD, but sample size limited the power to
detect differences across troponin groups
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/choice-of-mean_white-paper.pdf
April 01, 2015 - One investigator abstracted data on outcomes, comparison groups, the
analysis method and all data from … included studies was due to chance by meta-analyzing the baseline score
differences between treatment groups … scores imbalance occurred by chance, the
combined overall baseline score difference between treatment groups … associated with the baseline score, such results would
occur when the baseline scores in the intervention groups … Comparing groups in a before-
after design: when t test and ANCOVA
produce different results.
-
effectivehealthcare.ahrq.gov/sites/default/files/cer-238-cervical-ripening-appendix-e-1.xlsx
January 01, 2009 - Women in both groups underwent 30 minutes of continuous fetal and uterine monitoring after placement … NR
-Nulliparous: 46.31%
Gestational age, median (wk): 41.1 (IQR differs slightly for each of the 4 groups … Postterm: NR
Medically-indicated: NR Cervical dilation, median (CM): 3.5 (IQR differs for each of the 4 groups … induction
Doses: a median of 2 doses with a range of 1-2 doses was given for both treatment and placebo groups … NA Patients in intervention groups 2 (membrane stripping) and 3 (placebo) received a nonstress test and
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/radiotherapy-proton-beam_research.pdf
May 01, 2012 - Available at: http://www.cancer.org/acs/groups/content/@nho/
documents/document/acspc-024113
-
effectivehealthcare.ahrq.gov/sites/default/files/diabetes-horizon-scan-high-impact-1306.pdf
January 01, 2016 - occurred less
frequently in the exenatide group and with decreasing incidence over time in both
groups … Almost all phakic patients in the FAc insert groups developed cataract, but their
visual benefit after … Subjects requiring cataract surgery were more frequent in the insert groups, and
their visual benefit … Adverse events related
to intraocular pressure were also found more frequently in the groups receiving … vs 0.3 to 0.8 in ranibizumab groups).
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/antipsychotics-children-surveillance-150120.pdf
October 01, 2014 - An RCT and CCT
found no difference between drug and placebo
groups in BMI change. … Although we searched for studies across age groups, only studies in children and youths were found. … No significant differences emerged in the neurocognitive outcomes of the
three medication groups. … Trials were classified into the following groups. 1. … from baseline in groups 1, 2, 3, and 4, respectively.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/glaucoma-treatment_disposition-comments.pdf
April 01, 2012 - Threats to
external validity include differential distribution of racial groups
among studies (Rudnicka … , fear of
blindness declined after treatment in both the medication and
treatment groups and in general … In this study, intraocular pressure
reduction was similar between the groups. … study was the first of its kind to include quality of life
measures in the comparison between the two groups … was used throughout the study, the Symptom
Impact Glaucoma total score decreased in both treatment groups
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/assessing-the-risk-of-bias-in-systematic-reviews-of-health-care-interventions-01_0.pdf
May 01, 2005 - Duration of follow-up is one such example: if duration of follow-up is different
across comparison groups … risk of bias and applicability: if the populations are systematically different between
comparison groups … start of the intervention can
occur when intervention status is misclassified (i.e., intervention groups … X X X
• No or minimal contamination between groups X X X
15 … X X
Bias in measurement of
outcomes
Overall or systematic differences between
study groups in
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/stem-cell-children-future_research.pdf
February 01, 2012 - They stressed that the focus should be on the field as a whole, rather than specific diseases or
groups … Cancer advocacy groups and many cancer centers have taken on the task of helping patients and
their … Cancer advocacy groups and many cancer centers have taken on the task of aiding patients
develop these … The
outcome is common so fewer
patients are needed to see a
difference between groups and
patients … Prospective
non-
randomized
study
4 treatment
groups: ASCR
group for overt
extraocular
disease
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/trauma-interventions-maltreatment-child_executive.pdf
April 01, 2013 - included group and
the excluded group, the study was included in the review
if data from the two groups … Sociodemographic groups (e.g., age, race, ethnicity,
sex)
KQ 5: What is the comparative effectiveness … Active controls were comparison groups
that received another structured intervention. … Inactive controls were comparison groups that did not receive
another structured intervention. … Examples
of flaws leading to a high risk of bias rating include
differences in groups at baseline,
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/hip-feature-treatment-future_research.pdf
September 23, 2010 - The objective of this project was to work with
stakeholder groups with an interest in improving hip … participated in this project were selected as representative of
broader professional and research groups … Pt-reported pain and
function similar in both groups
at 5, 10 yrs. … Sample size est. was 220;
300 envelopes were
generated but only 210
enrolled: groups were
unbalanced … We formed stakeholder groups with representation from orthopaedic surgeon-
researchers, epidemiologists