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Showing results for "samples".

61. PEPTIC ULCER #11 (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/peptic-ulcer-horizon-scan-high-impact-1512.pdf
    December 01, 2015 - Investigators noted that use of the Cytosponge, which samples cells along a much broader section of … more useful diagnostic information than traditional endoscopic biopsies that collect discrete tissue samples … than traditional endoscopic biopsy.10,11 Researchers performed whole-genome sequencing on paired samples … esophageal adenocarcinoma (EAC) taken from 23 patients at a single time point and compared them to 73 samples … more useful diagnostic information than traditional endoscopic biopsies that collect discrete tissue samples

62. Radiation Therapy for Brain Metastases: A Systematic Review | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/radiation-brain-metastases/protocol
    June 01, 2021 - in the brain resulting from non-small cell lung cancer, breast cancer, or melanoma Study samples … patients with cancer from other origins or primary brain tumors (e.g., glioblastomas) and pediatric samples … account that frequentist approaches are problematic for rare adverse events (rare events require large samples … assessment will take the developing technology in the field of radiation therapy into account, review the samples … In addition, we will critically review the samples included in existing trials to determine how well

63. Research Protocol: Radiation Therapy for Brain Metastases (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/radiation-therapy-brain-metases-protocol.pdf
    October 10, 2019 - metastases in the brain resulting from non- small cell lung cancer, breast cancer, or melanoma • Study samples … patients with cancer from other origins or primary brain tumors (e.g., glioblastomas) and pediatric samples … account that frequentist approaches are problematic for rare adverse events (rare events require large samples … assessment will take the developing technology in the field of radiation therapy into account, review the samples … In addition, we will critically review the samples included in existing trials to determine how well

64. bipolar-disorder-treatment-protocol-140623 (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/bipolar-disorder-treatment_research-protocol.pdf
    June 23, 2014 - Includes pregnant women Pediatric bipolar patients Studies with samples of greater than 25% identified … diagnosis.17 Therefore, a detailed understanding of the diagnostic processes used to establish study samples … One can use RCT and controlled cohort data, but they generally have small samples, short follow-ups. … Assessing Applicability Bipolar research generally draws from highly defined populations, resulting in samples

65. Testing of CYP2C19 Variants and Platelet Reactivity for Guiding Antiplatelet Treatment | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/antiplatelet-treatment/research-protocol
    December 01, 2019 - , evidence can be obtained by repurposing completed randomized controlled trials for which baseline samples … In such cases, one can analyze all the samples (e.g., samples from the clopidogrel group and from the … comparisons (e.g., inter-laboratory agreement, measurement reproducibility) Proportion of nonevaluable samples

66. Disposition of Comments_Comparative Effectiveness Review No. 256: Effectiveness of Telehealth for Women's Preventive Services (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/cer-256-telehealth-women-disposition-comments.pdf
    June 16, 2022 - Results from these non-representative study samples cannot be generalized to all women. … substance abuse, or women attending an academic health center.” …”Results from these select study samples … Discussion and Conclusions However, in the results, there is no mention as to whether the study samples … in restricting access to technology to specific clinics/settings – so expanding to community based samples

67. Disposition of Comments Report for CER 226: Labor Dystocia (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/cer-226-labor-dystocia-comments.pdf
    May 14, 2020 - The differences in rates of assisted delivery between the Friedman and the CSL samples is another important … consider adding more details regarding differences in intervention rates between the Friedman and CSL samples … practice patterns between the 1950s-70’s and the early 2000’s, by detailing how much all of these samples … explicitly made that we do not have US research about normal vs abnormal labor progress that includes samples

68. Disposition of Comments: CER 224, Treatment of Depression in Children and Adolescents: A Systematic Review (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/cer-224-depression-children-comments.pdf
    April 10, 2020 - monotherapy may not match combined therapy for those without ADHD but these findings arise from small samples … monotherapy may not match combined therapy for those without ADHD but these findings arise from small samples … expect fewer studies, and prior reviews of the literature suggest that studies that focus on younger samples … defined by study authors [typically age 10 or 11 years or younger], and mixed adolescent and child samples

69. Effectiveness of Screening and Treatment of C. difficile Infections | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/c-diff-infections/research-protocol
    December 01, 2019 - For example, a recent study isolated C. difficile spores from air samples in a United Kingdom hospital … Stool samples must be from patients with suspected C. difficile infection.

70. Appendix-Table-B-1-Observational-Studies (xls file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/appendix-table-B-1-observational-studies.xlsx
    March 20, 2021 - Ab+ on enrollment or Ab+ from previous clinical lab samples, with or w/o a previous PCR+; Ab- on enrollment … locally validated assays" NR Possible reinfection defined as a positive cohort participant with two PCR+ samples

71. ? For women in the postpartum period, what is the effectiveness and safety of screening and treatment for depression? Please use the USPSTF framework, which considers not only screening but followup treatment and management. The treatment… | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/get-involved/nominated-topics/for-women-in-the-postpartum-period-what-is-the-effectiveness-and-safety-of-screening-and-treatment-for-depression-please-use-the-uspstf-framework-which-considers-not-only-screening-but-followup-treatment-and-management-the-t
    November 01, 2017 - could not distinguish between major and minor depression, and suggested that future studies have larger samples

72. Template for Draft Reports (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/osteoarthritis-knee-future_research.pdf
    February 01, 2013 - Prospective cohort studies with large samples may ES-7 be preferred to small RCTs, yet no … Investigators need to conduct power calculations to recruit sufficient stratified samples. … Prospective cohort studies with large samples may be preferred to small RCTs, yet no well designed … Enables recruitment of larger samples. … Resource use, size and duration Likely necessary to recruit large samples because marginal clinically

73. Comparative Effectiveness of Fecal DNA Testing in Screening for Colorectal Cancer in Average Risk Adults. (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/colorectal-cancer-screening_disposition-comments.pdf
    February 01, 2012 - Itzkowitz (2008), cases subjects were subjects with CRC diagnosed at colonoscopy and their fecal samples … However, stool samples taken after colonoscopy is problematic as colonoscopies often biopsy or remove … , rather than stool samples, and methyl-BEAMing does not appear to be used in the assay evaluated by … , rather than stool samples, and methyl-BEAMing does not appear to be used in the assay evaluated by … However, stool samples taken after colonoscopy is problematic as colonoscopies often biopsy or remove

74. Evidence-based Practice Center Systematic Review Protocol (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/antiplatelet-treatment_research-protocol.pdf
    November 22, 2011 - evidence can be obtained by repurposing completed randomized controlled trials for which baseline samples … In such cases, one can analyze all the samples (e.g., samples from the clopidogrel group and from the … www.effectivehealthcare.ahrq.gov Published Online: November 22, 2011 8 o Proportion of nonevaluable samples

75. Plasma-Cell-Dyscrasias-Sflc-Assay Executive (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/plasma-cell-dyscrasias-sflc-assay_executive.pdf
    August 01, 2012 - They used archived laboratory samples that had been obtained for SPEP or UPEP. … In several studies, study samples were obtained from large repositories in laboratories, populations … The possibility of multiple samples from the same patient being analyzed without accounting for nonindependence … Selection bias could occur if study samples from large laboratory repositories are selected on the basis

76. Interventions for the Prevention of Post-traumatic Stress Disorder in Adults After Exposure to Psychological Trauma | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/ptsd-adults-trauma-interventions/research-protocol
    December 01, 2019 - the frequency of these events may vary by the group studied, for example, civilian versus noncivilian samples … conducted in the 1990s attempted to identify and describe the prevalence of traumatic events in nonclinical samples

77. AHRQ Slide Template 2009 (ppt file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/data-extraction.ppt
    January 01, 2009 - Samples of Final Data Extraction Forms (Evidence Tables) For evidence reports or technology assessments … Samples of Final Data Extraction Forms (Evidence Tables) Reference: Trikalinos TA, Ip S, Raman G, et

78. Evidence Report on the (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/c-diff-infections_research-protocol.pdf
    May 24, 2010 - For example, a recent study isolated C. difficile spores from air samples in a United Kingdom hospital … Stool samples must be from patients with suspected C. difficile infection.

79. Technical Brief Disposition of Comments Report for Gene Expression Profiling for Predicting Outcomes in Stage II Colon Cancer (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/colon-cancer-gene-profiling_disposition-comments.pdf
    December 14, 2012 - Data concerning the validation of the Oncotype DX® Colon Cancer assay with samples from the QUASAR … USEFULLY separated groups by likelihood of benefit from the regimen used in the RCT that provided samples … The other tests described in your review have been based on studies in convenience samples, and have

80. Disposition of Comments for CER 162 Diagnosis of Celiac Disease (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/celiac-disease_disposition-comments.pdf
    January 28, 2016 - referred for endoscopy where they undergo biopsies to confirm celiac disease, and then their serum samples … the group with seropositive The studies you describe are case-control studies where stored blood samples … —that do compare the performance of testing and the accuracy in standardized serum samples.