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461. Healthcare Cost and Utilization Project (HCUP) KID Notes
     hcup-us.ahrq.gov/db/vars/chldwtcharge/kidnote.jsp
     September 01, 2008 - Cost-to-Charge Ratio (CCR) Files Hospital Market Structure (HMS) Files Supplemental Variables for Revisit Analyses … DISCWT should be used to create national estimates for all analyses except those that involve total charge

462. Healthcare Cost and Utilization Project (HCUP) KID Notes
     hcup-us.ahrq.gov/db/vars/cmpbwtcharge/kidnote.jsp
     September 01, 2008 - Cost-to-Charge Ratio (CCR) Files Hospital Market Structure (HMS) Files Supplemental Variables for Revisit Analyses … DISCWT should be used to create national estimates for all analyses except those that involve total charge

463. Healthcare Cost and Utilization Project (HCUP) KID Notes
     hcup-us.ahrq.gov/db/vars/discwtcharge/kidnote.jsp
     September 01, 2008 - Cost-to-Charge Ratio (CCR) Files Hospital Market Structure (HMS) Files Supplemental Variables for Revisit Analyses … DISCWT should be used to create national estimates for all analyses except those that involve total charge

464. Healthcare Cost and Utilization Project (HCUP) KID Notes
     hcup-us.ahrq.gov/db/vars/uncbwtcharge/kidnote.jsp
     September 01, 2008 - Cost-to-Charge Ratio (CCR) Files Hospital Market Structure (HMS) Files Supplemental Variables for Revisit Analyses … DISCWT should be used to create national estimates for all analyses except those that involve total charge

465. A qualitative study of why general practitioners may participate in significant event analysis and educational peer assessment. | PSNet
     psnet.ahrq.gov/issue/qualitative-study-why-general-practitioners-may-participate-significant-event-analysis-and
     October 29, 2008 - April 9, 2013 Bayesian cohort and cross-sectional analyses of the PINCER trial: a pharmacist-led

466. Continuous-Outcomes-Quantitative-Synthesis Methods (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/continuous-outcomes-quantitative-synthesis_methods.pdf
     March 01, 2011 - Subgroup analyses can also be done by grouping studies according to inclusion criteria. … to compare results from ANCOVA versus non-ANCOVA estimates as sensitivity analyses. … Imputing missing standard deviations in meta-analyses can provide accurate results. … Multiplicity of data in trial reports and the reliability of meta-analyses: empirical study. … Expressing findings from meta-analyses of continuous outcomes in terms of risks.

467. Vitamin D With or Without Calcium Supplementation for Prevention of Cancer and Fractures: An Updated Meta-analysis for the U.S. Preventive Services Task Force (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/6L2obA88s86MoZDbWtMPTU
     December 01, 2011 - characteristics, including baseline vitamin D status and use of supplements; details of statistical analyses … Data Synthesis For analyses of RCTs included for KQ 1, we used the DerSimonian–Laird random-effects … Analyses were conducted by using Stata SE 11 soft- ware (StataCorp, College Station, Texas). … Measuring inconsistency in meta-analyses. BMJ. 2003;327:557-60. [PMID: 12958120] 14. … The strengths and limitations of meta-analyses based on aggregate data.

468. Acs-Pci-Adjunctive-Devices Research-Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/acs-pci-adjunctive-devices_research-protocol.pdf
     July 01, 2010 - participant selection method, exposure measurement method, potential design biases, and appropriate analyses … For each outcome, we will conduct separate analyses of studies and compare each individual adjunctive … We will conduct meta- analyses when two or more RCTs that are adequate for data pooling are available … For all analyses, a p-value of <0.05 will be considered statistically significant. … the conclusions of our meta-analysis, we will conduct subgroup, meta-regression, and sensitivity analyses

469. Disposition of Comments for Treatments for Fibromyalgia in Adult Subgroups (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/fibromyalgia_disposition-comments.pdf
     January 26, 2015 - I think including higher functioning/less impaired patients impacts applicability (e.g. in analyses … on pooled within-study analyses), and which outcomes are reported. … The pooled IPD analyses were pooled within- study comparisons. … patients randomized in the input RCTs were reported in the pooled analyses. … the literature, including limited credibility of reported subgroup analyses.

470. Supplemental Project To Assess the Transparency of Reporting for Trials Evaluating Treatment for Infertility (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/transparency-infertility_research.pdf
     June 01, 2017 - A secondary goal was to estimate the person-hours required to complete these analyses. … • The analytic approach and any plans for subgroup analyses were not addressed in CT.gov for any … However, subgroup analyses were not reported in the published manuscripts for any of these trials. … Recommendations for examining and interpreting funnel plot asymmetry in meta- analyses of randomised … Evidence for the selective reporting of analyses and discrepancies in clinical trials: a systematic

471. Archived: Evidence Summary: Carotid Artery Stenosis: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/carotid-artery-stenosis-screening-july-2014
     July 08, 2014 - The findings of the other meta-analyses were generally consistent with these results, but specificity … analyses, with only minor variation in width of CIs ( Table 2 ). … Clinically useful measures of effect in binary analyses of randomized trials. … Measuring inconsistency in meta-analyses. BMJ . 2003;327:557-60. … ‡ Analyses did not have small numbers of studies. Return to Table of Contents

472. breast-biopsy-update-130920 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/breast-biopsy-update_research-protocol.pdf
     September 20, 2013 - In quantitative analyses, we will consider performing subgroup analyses to assess the impact of each … Main analyses will include all relevant studies. … We will also perform subgroup analyses by individual risk-of-bias items to assess the impact of each … We will evaluate the robustness of our findings in sensitivity analyses that exclude studies at high … Diagnostic  statistical  procedures  in  medical  meta-­‐analyses.  

473. Gastric-Cancers-Supplementary-App-I (xls file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/gastric-cancers-supplementary-app-i.xlsx
     January 01, 2019 - Pathological stage Yes Overall survival Hazard ratio Definitely no Protocol available, but subgroup analyses … 80101 [Alliance] Age Yes Overall survival Hazard ratio Definitely no No protocol available and subgroup analyses … ST03 Age Yes Overall survival Hazard ratio Probably no or unclear Protocol available, but subgroup analyses … Publication does state subgroup analyses were "pre-specified," but also does not discuss a prior hypotheses … within stomach Yes Overall survival Hazard ratio Probably no or unclear Protocol available, but subgroup analyses

474. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/antiplatelet-treatment_research-protocol.pdf
     November 22, 2011 - (meta-analyses, published in 2010– 2011) have assessed the utility of CYP2C19 variants for predicting … Four additional meta-analyses have assessed the predictive utility of phenotypic tests for platelet … In meta-analyses of both phenotypic and genetic tests, the summary effect sizes were low or moderate … If quantitative analyses are undertaken, we will consider performing subgroup analyses to assess the … Sensitivity analyses (including leave- one-out analyses, analyses assuming a fixed effects model, and

475. HCUP Sample Design: National Databases - Accessible Version
     hcup-us.ahrq.gov/tech_assist/sampledesign/508_compliance/index508_2018.jsp
     January 01, 2018 - that because the NIS sample is not designed with "state" as a stratification variable, state-level analyses … If you are interested in analyses by state, you should use the State-specific SID. … As in the NIS sample design, "state" is not included as a stratum; therefore state-level analyses cannot … If you are interested in analyses by state, you should use the state-specific SID or SEDD. … This is important because analyses that fail to account for the sample design could yield biased estimates

476. Disposition of Comments for CERs 155 156 Contast-Induced Nephropathy (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/nephropathy-contrast-induced_disposition-comments.pdf
     January 07, 2016 - We stratified analyses according to selected characteristics of the study populations, such as age, … We also added this data to the meta-analyses. 36 Peer Reviewer #2 Methods b. … of NAC and CIN (though it seems to be included in a secondary analyses). … The ACT study appears in the analyses of the revised version of the CIN prevention report. … We included RCTs in the analyses.

477. Showing Health Information Value in a Community Network - 2008 | Digital Healthcare Research
     digital.ahrq.gov/ahrq-funded-projects/showing-health-information-value-community-network/annual-summary/2008
     January 01, 2008 - Analyses were delayed at least 6 months after the completion of each study phase to ensure that the claims … As a consequence of these delays, preliminary analyses have not been performed for all phases. … Grantee’s Most Recent Self-Reported Status (as of August 2008): Data collection and some preliminary analyses

478. Comparative Effectiveness of Second Generation Antidepressants in the Pharmacologic Treatment of Adult Depression—An Update to a 2007 Report. (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/antidepressants-update_disposition-comments.pdf
     December 01, 2011 - To some extent we could overcome this issue by conducting meta-analyses. … Peer Reviewer #5 Methods Pg 33, line 30 “…included meta-analyses in this CER…” Comment: delete meta-analyses … Did you use it in analyses? Qualitative synthesis - e.g. stratification? … Above mentioned results are based on meta-analyses of head to- head trials. … We use bullet points just for the listing of meta- analyses.

479. Effective Health Care (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/TND_0002_03-04-2008.pdf
     January 01, 2008 -  Blood glucose control was found to be addressed by several recent systematic reviews and meta- analyses … Furthermore, recent systematic reviews and meta-analyses agree in their overall conclusions that widespread

480. Final Research Plan: Ocular Prophylaxis for Gonococcal Ophthalmia Neonatorum: Preventive Medication | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-research-plan/ocular-prophylaxis-for-gonococcal-ophthalmia-neonatorum-preventive-medication
     February 08, 2018 - Development Index Study design KQ 1: Randomized, controlled trials; systematic reviews and meta-analyses … KQ 2: Randomized, controlled trials; systematic reviews and meta-analyses; cohort studies, case-control