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  1. effectivehealthcare.ahrq.gov/sites/default/files/related_files/c-diff-infections-surveillance-140925.pdf
    January 01, 2014 - One study suggests that detection of C. … One study suggests that reductions in duration of antibiotic exposure, in conjunction with … One study suggest that daily disinfections of high-touch surfaces in isolation rooms may address an … was effective in prevention of AAD or CDD.41 Another study found that S. … The study concluded that real- time PCR has a high sensitivity and specificity to confirm CDI.
  2. effectivehealthcare.ahrq.gov/sites/default/files/pdf/cad-women-diagnosis-future_research_1.pdf
    February 01, 2013 - Recommended study designs: an observational study of patients with varying pretest probabilities of … Recommended study design: an observational study of patients with varying patient risk profiles. … Recommended study designs: an observational study of patients with varying pretest probabilities of … Recommended study design: an observational study of patients with varying patient risk profiles. 7 … of observational data, then design of a new study would be the next most valid and feasible study
  3. effectivehealthcare.ahrq.gov/sites/default/files/related_files/weight-gain-prevention_disposition-comments.pdf
    March 25, 2013 - Followup Study. … The 2011 study updates the 2001 study. (Field AE, Wing RR, Manson JE, Spiegelman DL, Willett WC. … study design and execution. … to study long- term weight gain. … Only the Nurses Health Study 1 and 2 and Health Professionals Followup Study had information.
  4. effectivehealthcare.ahrq.gov/sites/default/files/pdf/sleep-apnea-treatment-future_research.pdf
    February 01, 2012 - , the Wisconsin Sleep Study, or the Nurses Health Study. … from a prospective cohort study like the Framingham Heart Study or Nurses Health Study. … , Wisconsin Sleep Study or Nurses Health Study. … access to the study data. … to the study data.
  5. effectivehealthcare.ahrq.gov/sites/default/files/related_files/nephropathy-contrast-induced_executive-2016.pdf
    January 01, 2016 - ● Was knowledge of the allocated intervention adequately prevented during the study? … ● Are reports of the study free of suggestion of selective outcome reporting? … 3 When assessing the risk of bias in each study, we focused on the main outcome of interest, CIN, an … Data for this trial are available only in a 2010 meeting abstract; to date, the study has not been … As mentioned above, one study was a network meta- analysis that pooled all outcomes without focusing
  6. effectivehealthcare.ahrq.gov/sites/default/files/related_files/depression-brain-injury_executive.pdf
    April 01, 2011 - If a study included a measurement at more than one time point, the participants in that study contribute … Higher prevalence is reported in many study populations. … Nonetheless, SCIDs were not actually done in the study. Summary. … entry) and chronic depression (present throughout the study). … The study was limited to individuals with mild to moderate TBI.
  7. effectivehealthcare.ahrq.gov/sites/default/files/home-based-care_disposition-comments.pdf
    February 16, 2016 - This study is one of the few RCT’s included in the review. … We revised the description of the Edes, 2014 study. … We have corrected this in the text and study lists. … This study has been long disputed in the literature. … Study limitations were comprehensively addressed.
  8. effectivehealthcare.ahrq.gov/sites/default/files/related_files/glaucoma-treatment_disposition-comments.pdf
    April 01, 2012 - Moreover, the NEI-funded Latino Eye Study (a population-based study based in Los Angeles) (McKean-Cowdin … Melamed’s study, 2 subjects worsened; in Berry’s study, 3/35 patients in the betaxolol group and 2/ … Study. … There are many papers from this study group, which was a prospective, randomized, longitudinal study … Such a study (given our current study funding infrastructure) would not be an appropriate or logical
  9. effectivehealthcare.ahrq.gov/sites/default/files/pdf/ischemic-stroke-treatment_research-protocol.pdf
    February 19, 2010 - Study design and size 2c. Patient characteristics 2d. … year of publication, source of study funding, study design characteristics (prospective single arm … study, retrospective study, randomized controlled trial, nonrandomized comparative study, case series … or reports), study population (including study inclusion and exclusion criteria, duration of patient … (SITS-MOST): an observational study.
  10. effectivehealthcare.ahrq.gov/sites/default/files/pdf/suicide-prevention_research.pdf
    October 01, 2016 - We did not limit study inclusion by study population size or study design. … (if applicable) Author, Year Study design Study start and end dates Setting Study location … (if applicable) Author, Year Study design Study start and end dates Setting Study location … (if applicable) Author, Year Study design Study start and end dates Setting Study location … (if applicable) Author, Year Study design Study start and end dates Setting Study location
  11. effectivehealthcare.ahrq.gov/sites/default/files/related_files/lung-cancer-nonsurgical-therapies_disposition-comments.pdf
    June 12, 2013 - Thus, according to our study inclusion criteria, this study was excluded as we cannot discern whether … Further study is warranted. … That points to a need for more rigorous study designs. … parameters in rating a study. … The Lanuti 2009 study was excluded based on our criterion of “unclear study description”.
  12. effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-guidance-quantitative-synthesis_methods.pdf
    October 01, 2010 - The reported measures or study design could prescribe the choice of effect measures. … 1 0/10 (0, 0.31) 0/20 (0, 0.168) Study 2 0/100 (0, 0.036) 0/500 (0, 0.007) Study 3 0/1000 (0, 0.004 … is, it describes only between-study, not between- patient, variation. … apply equally to all patients in a study, e.g., study design, quality and definition of outcomes, … Bayesian approaches to random-effects meta-analysis: a comparative study.
  13. effectivehealthcare.ahrq.gov/sites/default/files/methodsguide_conductingquantitativesynthesis.pdf
    October 01, 2010 - The reported measures or study design could prescribe the choice of effect measures. … 1 0/10 (0, 0.31) 0/20 (0, 0.168) Study 2 0/100 (0, 0.036) 0/500 (0, 0.007) Study 3 0/1000 (0, 0.004 … is, it describes only between-study, not between- patient, variation. … apply equally to all patients in a study, e.g., study design, quality and definition of outcomes, … Bayesian approaches to random-effects meta-analysis: a comparative study.
  14. effectivehealthcare.ahrq.gov/sites/default/files/related_files/disparities-quality-improvement_executive.pdf
    August 01, 2012 - A minimum sample size of 50 individuals per study and intervention group or subgroup. … When possible to identify, analyses resulting from the same study were grouped together. … ,26 one retrospective cohort study,27 and one cohort study with a historical control.28 5 Included … , and a clinically but not statistically different effect in the other. 9 Author, Year, Study … One was an RCT,11 one was a prospective cohort study,26 and one was a retrospective cohort study.27
  15. effectivehealthcare.ahrq.gov/sites/default/files/related_files/breast-biopsy-update_executive.pdf
    September 01, 2014 - A single reviewer extracted data from each eligible study. … Additional study details are available in the SRDR. … “Other” denotes one study using grid guidance and one study that did not report information on the use … to study setting are common for all patients within the same study and other patient differences can … was performed, whether multiple centers 10 contributed patients to a study, study design, and risk
  16. effectivehealthcare.ahrq.gov/sites/default/files/product/pdf/mmm-draft-protocol-amendment.pdf
    February 02, 2022 - Study inclusion criteria for key questions Category Criteria for Inclusion Study Enrollment KQ1 … Multiple publications relating to the same study will be grouped together. … of at least moderate risk of bias and sufficiently large study population. … design and risk of bias, we will rate study limitations as low, medium, or high. … Potential study objectives and study designs to explore and examine risk factors related to maternal
  17. effectivehealthcare.ahrq.gov/sites/default/files/related_files/evidence-summary-cer-195-uterine-fibroids-final.pdf
    December 01, 2017 - The longest duration of followup after the end of treatment was 60 months in one study. … No study reported an increase in bleeding or worsening in hemoglobin or hematocrit. … In the 8 longer study there was no further growth between 6 and 12 months. … One study reported no transfusions among 48 participants. … One study reported faster recovery (mean 22 days) after laparoscopic hysterectomy.
  18. effectivehealthcare.ahrq.gov/sites/default/files/pdf/ehc-depression-research-protocol.pdf
    February 07, 2018 - • Relapse: as defined per the individual study. … We may consider study length for subgroup analysis if necessary. … For all included studies, reviewers will extract data on study characteristics (e.g. study design, duration … arm or in a study all together. … (Follow up adj (study or studies)).tw. 40. (observational adj (study or studies)).tw. 41.
  19. effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-202-thermoplasty-comments.pdf
    December 14, 2017 - Further, we noted that the AIR study and AIR 2 study did not find improvements in prebronchodilator … For example, they quote Air study as a negative study, without taking into account that Air was not … However, Air 2 is a RCT blinded study. … because it is not a controlled study. … Only 1 study showed significant effect on lung function and the sham controlled study did not.
  20. effectivehealthcare.ahrq.gov/sites/default/files/pdf/observational-research-scores_research.pdf
    May 01, 2012 - Sound research depends on sound study design. … through study design, analysis or both. … Figure 1 shows study design taxonomy. … In the rosuvastatin study,4 a matching ratio of up to 1:4 was used to improve study power by increasing … Performance of propensity score calibration—a simulation study.

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