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61. Gestational-Diabetes-Screening-Diagnosis Executive (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/gestational-diabetes-screening-diagnosis_executive.pdf
    October 01, 2012 - When prevalence was less than 10 percent, PPV ranged from 18 to 27 percent; when prevalence was 10 percent … When prevalence was less than 10 percent, PPV ranged from 11 to 27 percent; when prevalence was 10 … When prevalence was less than 10 percent, PPV ranged from 12 to 39 percent; prevalence was more than … Prevalence ranged from 3.7 to 15.7. … Prevalence and Predictive Values The prevalence of GDM varied across studies and the diagnostic criteria

62. Chapter 8: Meta-Analysis of Test Performance When There Is a “Gold Standard” | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/methods-guidance-tests-metaanalysis/methods
    December 01, 2019 - predictive values or likelihood ratios from the formulas in the Appendix, for a range of plausible prevalences … Further, sensitivity and specificity are often considered independent of the prevalence of the condition … Predictive values are dependent on prevalence estimates. … In most cases it is not meaningful to synthesize prevalences (see text). … Diagnostic accuracy may vary with prevalence: Implications for evidence-based diagnosis.

63. Misuse of Prescription Stimulants in Adults (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/misuse-prescription-protocol.pdf
    September 13, 2024 - ’s efforts to protect the public health and inform regulatory decision making by understanding the prevalence … Controlled Clinical Trial  Retrospective cohort  Prospective cohort  Case control  Survey / prevalence … prescription stimulant misuse, we will use key items from the Joanna Briggs Institute (JBI) Checklist for Prevalence … Prevalence of ADHD symptom malingering, nonmedical use, and drug diversion among college-enrolled adults … Methodological guidance for systematic reviews of observational epidemiological studies reporting prevalence

64. Child Behavior Disorders | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/health-topics/child-behavior-disorders
    January 25, 2018 - Effectiveness of Treatment in At-Risk Preschoolers; Long-Term Effectiveness in All Ages; and Variability in Prevalence … Effectiveness of Treatment in At-risk Preschoolers; Long-term Effectiveness in All Ages; and Variability in Prevalence

65. Medical Care for Adults with Down Syndrome (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/care-adults-down-syndrome-protocol.pdf
    July 09, 2024 - population.8 Thyroid disease (i.e., hypothyroidism and subclinical hypothyroidism), has an estimated prevalence … of atlanto-axial instability and a 33-64 percent prevalence of spondylosis.8 Hearing impairment affects … What conditions occur at an increased or decreased prevalence in adults with Down syndrome compared … How does prevalence vary by age/decade of age, gender, setting (rural), and race/ethnicity? 2. … Current Estimate of Down Syndrome Population Prevalence in the United States.

66. Methods Guide for Medical Test Reviews Chapter 9 (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-performance_methods.pdf
    July 01, 2012 - the probabilities in the cells, namely, the sensitivity and specificity of the index test and the prevalence … sensitivity and specificity of the index test (Seindex and Spindex, respectively) and the disease prevalence … Estimation of test error rates, disease prevalence and relative risk from misclassified data: a review … Estimating disease prevalence in the absence of a gold standard. … Incidence and prevalence of psoriatic arthritis: a systematic review.

67. Medical Care for Adults with Down Syndrome (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/care-adults-down-syndrome-protocol-amendment.pdf
    February 05, 2025 - population.8 Thyroid disease (i.e., hypothyroidism and subclinical hypothyroidism), has an estimated prevalence … of atlanto-axial instability and a 33-64 percent prevalence of spondylosis.8 Hearing impairment affects … What conditions occur at an increased or decreased prevalence in adults with Down syndrome compared … How does prevalence vary by age/decade of age, sex, setting (rural), and race/ethnicity? 2. … Current Estimate of Down Syndrome Population Prevalence in the United States.

68. Medical Care for Adults with Down Syndrome | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/care-adults-down-syndrome/protocol
    February 01, 2025 - of atlanto-axial instability and a 33-64 percent prevalence of spondylosis. 8 Hearing impairment affects … Contextual Questions (CQ) What conditions occur at an increased or decreased prevalence in adults with … How does prevalence vary by age/decade of age, sex, setting (rural), and race/ethnicity? … Current Estimate of Down Syndrome Population Prevalence in the United States. … Prevalence of Common Disease Conditions in a Large Cohort of Individuals With Down Syndrome in the United

69. Gout Dx protocol_140715-draft (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/gout_research-protocol-2014.pdf
    January 01, 2014 - Based on data from the 2007-2008 National Health and Nutrition Examination Survey (NHANES), the prevalence … of gout to those of previous cycles of NHANES shows that the prevalence of gout appears to be increasing … The rise in the prevalence of gout has paralleled the increase in prevalence of conditions associated … Despite the prevalence of hyperuricemia, for reasons that remain unclear, only a small proportion of … positive, negative predictive value, positive/negative likelihood ratios (if prevalence known) o

70. Methods Guide for Medical Test Reviews (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-metaanalysis_methods.pdf
    July 01, 2012 - predictive values or likelihood ratios from the formulas in the Appendix, for a range of plausible prevalences … Predictive values are dependent on prevalence estimates. … Because prevalence is often wide ranging, and because many medical test studies have a case-control … In most cases it is not meaningful to synthesize prevalences (see text). … Diagnostic accuracy may vary with prevalence: Implications for evidence-based diagnosis.

71. Data Points #18: Use of and access to health care by Medicare beneficiaries with diabetes: impact of diabetes type and insulin use, 2007-2011 | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/diabetes-medicare-use/research
    December 01, 2019 - Diabetes prevalence in the United States has doubled since 1995.3 In 2010 alone, about 1.9 million people … Care for diabetes is becoming even more important with the increasing prevalence of diabetes in the United

72. Mental Health and Occupational Stress in the Emergency Medical Service and 911 Workforce: A Systematic Review (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/ems-911-workforce-mental-health-protocol-amendment.pdf
    January 22, 2024 - Are the incidence, prevalence, and severity modified by: i. … For KQ 1 (incidence/prevalence/severity), for longitudinal studies, we will use items from the Joanna … Prevalence of PTSD and common mental disorders amongst ambulance personnel: a systematic review and … Chapter 5: Systematic reviews of prevalence and incidence. In: Aromataris E, Munn Z, eds. … Because KQ 1 is largely about epidemiology (incidence, prevalence, and severity), a sample size

73. Misuse of Prescription Stimulants in Adults (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/misuse-prescription-protocol-amendment.pdf
    November 26, 2024 - ’s efforts to protect the public health and inform regulatory decision making by understanding the prevalence … Controlled Clinical Trial  Retrospective cohort  Prospective cohort  Case control  Survey / prevalence … prescription stimulant misuse, we will use key items from the Joanna Briggs Institute (JBI) Checklist for Prevalence … Prevalence of ADHD symptom malingering, nonmedical use, and drug diversion among college-enrolled adults … Methodological guidance for systematic reviews of observational epidemiological studies reporting prevalence

74. PowerPoint Presentation (ppt file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/medical-test-reviews-applicability.ppt
    June 01, 2012 - Secular trends in population risk and disease prevalence Direct/indirect changes in secular trends (or … The underlying prevalence of undiagnosed type 2 diabetes in pregnancy is increased. … Secular trends in population risk and disease prevalence Secular trends in population characteristics … Secular trends in population risk and disease prevalence Prevalence is tied to disease definitions that … A simple change in definition can have a great impact on disease prevalence.

75. PowerPoint Presentation (ppt file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/medical-test-reviews-applicability.ppt
    June 01, 2012 - Secular trends in population risk and disease prevalence Direct/indirect changes in secular trends (or … The underlying prevalence of undiagnosed type 2 diabetes in pregnancy is increased. … Secular trends in population risk and disease prevalence Secular trends in population characteristics … Secular trends in population risk and disease prevalence Prevalence is tied to disease definitions that … A simple change in definition can have a great impact on disease prevalence.

76. Obesity-Child Executive (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/obesity-child_executive.pdf
    March 31, 2010 - The more intensive of the two intervention arms showed a reduction in the prevalence of overweight … Only one study examined and reported a significant desirable intervention effect on the prevalence of … One other study found a significant difference in the prevalence of overweight (3.7%; p < 0.05) and … The intervention did not result in decreased prevalence of overweight or obesity. … We used BMI or related measures, such as BMI z-score, BMI percentile, and prevalence of overweight

77. Screening for and Management of Chronic Kidney Disease Stages 1-3 | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/kidney-disease-medicine/research-protocol
    December 01, 2019 - NHANES data on CKD prevalence in U.S. adults aged 20 and older illustrates the importance of diabetes … Prevalence of CKD in U.S. adults age 20 and older as a function of age, diabetes, hypertension, and obesity … Prevalence of chronic kidney disease in the United States. JAMA 2007;298(17):2038-47. … Prevalence of chronic kidney disease in US adults with undiagnosed diabetes or prediabetes. … Prevalence of chronic kidney disease in persons with undiagnosed or prehypertension in the United States

78. AHRQ Slide Template 2009 (ppt file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/presentation.ppt
    August 01, 2009 - Example: Summary Table of Prevalence Findings Summary tables can be specialized for different types of … Example: Summary Table of Prevalence Findings In addition to providing an overview, summary tables can … For example, this case summary table was created for a key question about prevalence; therefore, it included … only studies with prevalence data. … In addition to presenting the prevalence data, columns were selected to reflect those characteristics

79. Evidence Report on the (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/hypothyroidism-hyperthyroidism-screening-treatment_research-protocol.pdf
    March 11, 2010 - and include Graves’ disease, thyroiditis, thyroid nodule(s), and levothyroxine over-treatment.1 Prevalence … and burden of disease/illness The prevalence of subclinical hypothyroidism ranges from 4 to 8.5% … In general the prevalence increases with age, and is higher among whites compared to blacks.2 The prevalence … It has a higher prevalence in women, blacks, older individuals and those with low iodine intake.2 Up … The Colorado Thyroid Disease Prevalence Study. Arch Intern Med 2000;160:526-34. 4.

80. Evidence-based Practice Center Systematic Review Protocol (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/musculoskeletal-complaints-tests-children_research-protocol.pdf
    September 29, 2010 - Objectives for the Systematic Review Childhood musculoskeletal (MSK) pain is common, with estimated prevalences … in the general pediatric population ranging from 5 to 30 percent.1 Despite their prevalence, most … What is the incidence and prevalence of undiagnosed musculoskeletal (MSK) pain and/or joint swelling … Prevalence and 1-year persistence. Pain 1997;(73):29-35. 2. … Prevalence and significance of isotypes of anti-cyclic citrullinated peptide antibodies in juvenile