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Showing results for "calculate".

41. Noninvasive Diagnostic Tests for Breast Abnormalities: Update of a 2006 Review | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/breast-abnormalities-tests-update/research
    December 01, 2019 - We used the summary likelihood ratios and Bayes' theorem to calculate the post-test probability of having

42. Physiologic Predictors of Severe Injury: Systematic Review | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/predictors-trauma-care/research-2018
    December 01, 2019 - We used data provided to calculate values that were not reported and pooled estimates across studies

43. Meditation Research-Protocol (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/meditation_research-protocol.pdf
    October 17, 2012 - For studies amenable to pooling with meta-analyses, we will calculate pooled mean differences, risk … When we are unable to pool studies, we will calculate and display the individual mean differences, risk … Since many trials do not provide enough information to calculate a confidence interval around the difference … For studies amenable to pooling with meta-analyses, we will calculate pooled mean differences, risk … When we are unable to pool studies, we will calculate and display the individual mean differences,

44. Screening and Diagnosis of Gestational Diabetes Mellitus | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/gestational-diabetes-screening-diagnosis/research-protocol
    December 01, 2019 - If necessary, we will approximate means by medians and use 95% confidence intervals to calculate approximate … We will calculate p-values when they are not reported. 26 For KQ1, we will construct 2x2 tables and … calculate sensitivity, specificity, positive and negative predictive values, reliability and yield of … For continuous variables, we will calculate mean differences for individual studies.

45. Layout 1 (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/breast-cancer-medications_executive.pdf
    September 01, 2009 - difference Insufficient Data are inadequate to calculate outcomes or are not reported. 5 Key Question … difference Insufficient Data are inadequate to calculate outcomes or are not reported. 7 Key Question

46. Evidence-based Practice Center Systematic Review Protocol (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/gestational-diabetes-screening-diagnosis_research-protocol.pdf
    December 16, 2011 - If necessary, we will approximate means by medians and use 95% confidence intervals to calculate approximate … We will calculate p-values when they are not reported. 26 For KQ1, we will construct 2x2 tables … and calculate sensitivity, specificity, positive and negative predictive values, reliability and yield … For continuous variables, we will calculate mean differences for individual studies.

47. Evidence Report on the (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/glaucoma-screening_research-protocol.pdf
    November 16, 2010 - Measures of treatment effect We will calculate summary risk ratios or odds ratios as appropriate for … For Key Question 3, we will calculate diagnostic odds ratios. … We will verify normality of continuous outcomes and calculate mean differences; standardized mean differences

48. Comparative Effectiveness of Screening for Glaucoma | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/glaucoma-screening/research-protocol
    December 01, 2019 - Measures of treatment effect We will calculate summary risk ratios or odds ratios as appropriate for … For Key Question 3, we will calculate diagnostic odds ratios. … We will verify normality of continuous outcomes and calculate mean differences; standardized mean differences

49. Dispostion of Comments Report for Child and Adolescent Exposure to Trauma (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/trauma-child-interventions_disposition-comments.pdf
    February 11, 2013 - We did not use any data from unreported studies (e.g., Kramer and Landolt, 2011) to calculate our effect

50. Geographic Variation in Carotid Endarterectomy and Carotid Stenting Among Medicare Beneficiaries, 2003-2006 | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/cardiology-health-outcomes/research
    January 01, 2019 - We used Kaplan-Meier methods to calculate unadjusted 30-day and 1-year mortality rates.

51. Research Protocol: Clostridium difficile Infection Update (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/c-difficile-update_research-protocol.pdf
    December 23, 2014 - available, we will use statistical differences to assess efficacy and comparative effectiveness and calculate … Since two primary endpoints will be used, sensitivity and specificity, we will calculate 99 percent … Depending on the heterogeneity of prevalence of CDI in diagnostic accuracy studies, we may also calculate … Further, when possible, we will calculate positive and negative likelihood ratios that allow clinicians … We will calculate risk ratios (RR) and absolute risk differences (RD) with the corresponding 95 percent

52. Evidence Report on the (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/preterm-birth-terbutaline-pump_research-protocol.pdf
    October 18, 2010 - As appropriate for each outcome outlined in KQ1 through KQ4, we will calculate the following summary … confidence intervals: • For continuous outcomes (e.g., gestational age at delivery, birthweight) we will calculate … neonatal brochopulmonary dysplasia, retinopathy of prematurity, maternal pulmonary edema) we will calculate … • For the time to event outcome (i.e. time to delivery) we will calculate the pooled hazard ratio … , dislodgement and overdoses) we will pool reported incidence data using a random effects model to calculate

53. Slide 1 (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/johnson_-ahrq-mcda-presentation.pdf
    August 27, 2012 - Slide 1 Research Triangle Institute RTI International is a trade name of Research Triangle Institute. www.rti.org The Use of Conjoint Analysis to Elicit Patient Preferences in Selecting Treatment Endpoints F. Reed Johnson, PhD Distinguished Fellow and Principal Economist Research Triangle Institute I…

54. Expanded Guidance on Selected Quantitative Synthesis Topics | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/quantitative-synthesis-expanded-methods/methods
    December 01, 2019 - Similar to relative risk, investigators should calculate NNT/NNH based on combined hazard ratio or rate … For time to event data and count data, investigators should also calculate NNT/NNH while incorporating

55. Engaging Stakeholders to Identify and Prioritize Topics for Future Research: Recommended activities and reporting practices (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/stakeholders-engagement-others_research-2011.pdf
    January 01, 2011 - Engaging Stakeholders to Identify and Prioritize Topics for Future Research: Recommended activities and reporting practices 1 Engaging Stakeholders to Identify and Prioritize Topics for Future Research: Recommended activities and reporting practices This table presents a series of recommended activities for resea…

56. Comparative Effectiveness of Preventive Pharmacological Treatments for Migraine | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/migraine-prevention/research-protocol
    December 01, 2019 - For categorical variables we will abstract the number of events among treatment groups to calculate rates … Means and standard deviations of continuous variables will be abstracted to calculate mean differences … analysis set, we will abstract the number randomized to each treatment group as the denominator to calculate … Using Meta-Analyst 52 and STATA® 53 software at a 95 percent CI, we will calculate the relative risk … risk differences (ARD) in rates of outcome events in the active and control groups. 53, 59 We will calculate

57. Urinary-Incontinence-Treatment Research-Protocol (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/urinary-incontinence-treatment_research-protocol.pdf
    September 30, 2010 - For categorical variables we will abstract a number of events among treatment groups to calculate rates … Means and standard deviations of continuous variables will be abstracted to calculate mean differences … trials (RCTs), we will abstract the number randomized to each treatment group as the denominator to calculate … We will calculate relative risk and absolute risk difference from the abstracted events using Meta-analyst91 … We may calculate standard deviations when authors report standard errors: Standard deviation

58. Hypertension-Drugs-Utilization Research (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/hypertension-drugs-utilization_research.pdf
    January 25, 2011 - Payments for Antihypertensive Drugs: For each of the study years of interest, we used Part D claims to calculate

59. Data-Points 1 Diabetic-Foot-Ulcers Data 02-2011 (xls file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/data-points_1_diabetic-foot-ulcers_data_02-2011.xlsx
    January 01, 2011 - Prevalence of Diabetes Prevalence of Diabetes in Medicare Parts A and B Fee-for-Service (FFS) Cohort Population (Millions), 2007 Algorithm Period of continuous enrollment (months) Number of Beneficiaries in Enrollment Population Number of Beneficiaries with Diabetes Diabetes Rate in Enrolled Population 1 1 34.6 9…

60. Colorectal-Cancer-Staging Executive (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/colorectal-cancer-staging_executive.pdf
    September 01, 2014 - 1 Comparative Effectiveness Review Number 142 Imaging Tests for the Staging of Colorectal Cancer Executive Summary Background Colorectal Cancer In the United States each year colon cancer is diagnosed in approximately 100,000 people and rectal cancer is diagnosed in another 50,000.1 Colorectal cancer usually…