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Showing results for "sample".

81. Real World Effectiveness of Carotid Artery Stenting (CAS) in Medicare Patients | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/coronary-stents-effectiveness/abstract
    December 01, 2019 - Participants, setting and expected sample size: Study population will consist of: 1) 3,300 CAS patients … In addition, greater sample size in all Medicare CAS versus CEA data will be obtained using propensity

82. Interventions To Improve Patient Adherence to Hepatitis C Treatment: Comparative Effectiveness | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/hepatitis-c-treatment-adherence/research
    December 01, 2019 - The RCTs were generally of poor quality and had small sample sizes (21 to 250). … of patients (674 and 1,560), the remaining studies had serious methodological limitations and small sample

83. S96 (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/s96.pdf
    October 01, 2007 - NEISS-CADEs operates in 63 hospital EDs, selected as a stratified probability sample of all hospitals … in the United States and its territories with a minimum of 6 beds and a 24-hour ED.12,13 The sample … We used data collected from a convenience sample of 6 NEISS-CADES hospitals from January 1, 2004 to June … No pediatric specialty hospital was included in this sample. … The NEISS sample (design and implementation) 1997 to present.

84. Cervical Cancer Screening | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/health-topics/cervical-cancer-screening
    With the Pap test, the lab checks the sample for cancer cells or abnormal cells that could become cancer

85. S158 (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/s158.pdf
    October 01, 2007 - Validation study: representative sample of Medicare beneficiaries. … infarction was essentially the same before and after control for these additional covariates in the stage 2 sample … calibration Yes Yes Yes Validation study can be used to adjust multiple associations Yes (if random sample … files.41 External Validation Study The Medicare Current Beneficiary Survey (MCBS) is conducted on a sample … Two-stage case-control studies: precision of parameter estimates and considerations in selecting sample

86. Systematic Review of Calcineurin Inhibitors for Kidney Transplant | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/calcineurin-inhibitor/research-protocol
    December 01, 2019 - for inclusion, but retrospective studies must use consecutive enrollment or enrollment of a random sample … Duplicate abstraction on a 10-percent random sample will be used to ensure accuracy. … detect the level of a substance, such as a therapeutic drug, in a biologic (usually blood or urine) sample … Sample of Search Strategy Table A-1. … Sample Risk of Bias Items ECRI Risk of Bias Item List for Controlled or Comparative Studies Were

87. Treatment of Dementia Among Community-Dwelling and Institutionalized Medicare Beneficiaries | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/dementia-databases-methods/research
    January 01, 2020 - LTC) and other characteristics of the sample (e.g., demographics). … Aripiprazole and clozapine were not used by anyone in the sample with ADRD. … Discussion This study used a large nationally representative sample of the Medicare population from … typically 5%-13% 5 , 21 , 22 The reliance on self-/proxy-reported or claims diagnosis limits our sample … Limiting our sample to only claims would restrict it to those who received medical attention over the

88. Chapter 12: Systematic Review of Prognostic Tests | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/methods-guidance-tests-prognostic/methods
    December 01, 2019 - Did the sample represent patients that would be tested in clinical practice? … Were the results externally validated using an independent sample or internally validated via boot strap … need to be noted. 15 If the investigators fit a new prognostic test or prediction equation to the sample … data (test development sample) by using the data to define cutoff levels or model its relationships … Comparing the predictive values of diagnostic tests: sample size and analysis for paired study designs

89. Template for Reports Developed (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/c-difficile-future_research.pdf
    October 26, 2012 - Generalizability will depend on population sample. … Multiple sites may be needed to reach adequate sample sizes. … Multiple sites may be needed to reach adequate sample sizes. … Generalizability will depend on population sample. … Multiple sites may be needed to reach adequate sample sizes.

90. Chronic Venous Ulcers: A Comparative Effectiveness Review of Treatment Modalities | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/venous-ulcers-treatment/research
    December 01, 2019 - Rather, the risk of bias and lack of adequate sample size prevented us from establishing statistically … simple healing rates, stratification or adjustment to account for potential confounding variables, or sample

91. Engaging-Caregivers-Appendix-C (xls file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/engaging-caregivers-appendix-c.xlsx
    January 08, 2024 - nonrandomized studies Author, Year (Study Design) Did the Study Attempt To Enroll All (or a Random Sample

92. Chlamydia Infections | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/health-topics/chlamydia-infections
    Your health care provider may ask you to provide a urine sample. … For women, providers sometimes use (or ask you to use) a cotton swab to get a sample from your vagina

93. Methods Guide for Medical Test Reviews Chapter 12 (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-prognostic_methods.pdf
    July 01, 2012 - Did the sample represent patients that would be tested in clinical practice? 4. … Were the results externally validated using an independent sample or internally validated via boot strap … need to be noted.15 If the investigators fit a new prognostic test or prediction equation to the sample … data (test development sample) by using the data to define cutoff levels or model its relationships … Comparing the predictive values of diagnostic tests: sample size and analysis for paired study designs

94. Psoriasis | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/health-topics/psoriasis
    November 27, 2012 - Your doctor might need to look at a small skin sample under a microscope.

95. Gout | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/health-topics/gout
    January 31, 2017 - Your doctor may take a sample of fluid from an inflamed joint to look for crystals.

96. Head and Neck Cancer | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/health-topics/head-and-neck-cancer
    September 02, 2015 - You will have a biopsy, where a sample of tissue is taken out and examined under a microscope.

97. Management of Renal Masses and Localized Renal Cell Carcinoma: Current State of the Evidence (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/renal-cancer_clinician.pdf
    July 01, 2017 - NA ��� Local recurrence-free survival 2 (217) Better results with RN, but all studies had a small sample

98. Quantitative Synthesis: Chapter 1. Decision To Combine Trials (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/ehc-presentation-quantitative-synthesis-chapter-1.pdf
    July 01, 2019 - D & E: Consider these high risk of bias situations when pooling a small number of studies: ► Small sample … sizes: Results from small trials are less reliable even when risk of bias is low.6 − If sample sizes … heterogeneity9 ► Critiques of I2: Underestimates heterogeneity in random effects models; increases as sample

99. PowerPoint Presentation (ppt file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/medical-test-reviews-risk-bias.ppt
    June 01, 2012 - Selection bias The selection process determines the composition of the study sample. … Partial verification bias Only a selected sample of patients who underwent the index test is verified … Domain 1: Patient Selection Was a consecutive or random sample of patients enrolled? … Did the whole sample or a random selection of the sample receive verification using a reference standard … For the question, “Did the whole sample or a random selection of the sample receive verification using

100. PowerPoint Presentation (ppt file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/medical-test-reviews-risk-bias.ppt
     June 01, 2012 - Selection bias The selection process determines the composition of the study sample. … Partial verification bias Only a selected sample of patients who underwent the index test is verified … Domain 1: Patient Selection Was a consecutive or random sample of patients enrolled? … Did the whole sample or a random selection of the sample receive verification using a reference standard … For the question, “Did the whole sample or a random selection of the sample receive verification using