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Bias related to Nutritional Epidemiology

Lee WC, Lee JH

  • KMID: 2303940
  • Korean J Epidemiol.
  • 2003 Jun;25(1):39-46.
Bias is the main problem that should be considered in epidemiologic research. Information bias caused by measurement error and confounding caused by total energy intake are listed as the main...
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Meta-analysis

Lee YH

Meta-analysis is a statistical tool for combining the results of different studies on the same topic, providing a precise estimate of the effect size and increasing statistical strength, which is...
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Recent Research Trends in Meta-analysis

Shin IS

The use of meta-analysis (MA), which is placed on top of the evidence hierarchy, in studies has been increasing exponentially. MA has three effect size families. Using the category of...
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The Relationship between Depression and Alcoholism: A Meta-Analysis

Kim SA, Nam CM, Park WS

  • KMID: 2341066
  • J Korean Neuropsychiatr Assoc.
  • 2005 Jan;44(1):75-81.
OBJECTIVES: This study was designed to integrate the results of community based studies which assessed a relationship between depression and alcoholism by meta-analysis. METHODS: We identified the previons studies and included...
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Intervention meta-analysis: application and practice using R software

Shim SR, Kim SJ

The objective of this study was to describe general approaches for intervention meta-analysis available for quantitative data synthesis using the R software. We conducted an intervention meta-analysis using two types...
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A method to evaluate scientific evidence in clinical preventive medicine

Lee J, Park BJ

  • KMID: 2342041
  • J Korean Med Assoc.
  • 2011 Oct;54(10):1006-1012.
Evaluation of scientific evidence in the medical literature is based on the research methodology, which can be the fundamental tool for medical professionals to improve their practice. Since analytic studies...
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Underregistration and Underreporting of Stem Cell Clinical Trials in Neurological Disorders

Lee TE, Kim A, Jang M, Jeon B

BACKGROUND AND PURPOSE: Research on stem cells (SC) is growing rapidly in neurology, but clinical applications of SC for neurological disorders remain to be proven effective and safe. Human clinical...
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The Decline Effect in Cardiovascular Medicine: Is the Effect of Cardiovascular Medicine and Stent on Cardiovascular Events Decline Over the Years?

Lee MS, Flammer AJ, Lerman A

The term decline effect is referred to a diminution of scientifically discovered effects over time. Reasons for the decline effect are multifaceted and include publication bias, selective reporting, outcomes reporting...
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Primary registry of the WHO International Clinical Trial Registry Platform: Clinical Research Information Service (CRIS)

Park HY

  • KMID: 2341695
  • J Korean Med Assoc.
  • 2011 Jan;54(1):92-97.
Publication bias has a negative impact on the ability of healthcare providers and consumers to make unbiased healthcare decisions. The demand for greater transparency of clinical trials has increased and...
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Effects of an Abdominal Obesity Management Program on Physiological Bio-markers of Middle-aged Women in Korea: A Meta-analysis

Kim K, Hong H, Park W, Ko S, Na Y

BACKGROUND: The purpose of this study is to analyze the effects of an abdominal obesity management program in middle-aged women in Korea. METHODS: Examination of databases, including the Research Information Sharing...
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An introduction to systematic review

Ahn HS, Kim HJ

Systematic review had become one of the important research area in medicine. Systematic review can be demonstrating benefit or harm of an intervention when results of individual studies are inconclusive....
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Reliability of core needle biopsy as a second-line procedure in thyroid nodules with an indeterminate fine-needle aspiration report: a systematic review and meta-analysis

Trimboli P, Giovanella L

PURPOSE: This study was undertaken to summarize the published data and to provide more robust estimates regarding the issue of core needle biopsy (CNB) for discriminating thyroid nodules with indeterminate...
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Searching Medical Literature Effectively

Kim HJ, Ahn HS

To make updated and unbiased answers to a clinical question, it is essential to effectively and efficiently search the medical literature. The goal of medical literature searching is comprehensive and...
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The Effect of Patient Education Interventions on Distress, Self-Care Knowledge and Self-Care Behavior of Oncology Patients: A Meta-Analysis

Oh PJ, Choi HJ

PURPOSE: The purpose of this study was to evaluate the effectiveness of patient education interventions on distress, self-care knowledge and self-care behavior in cancer patients. METHODS: A total of 1,102 studies...
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Assessment for Risk of Bias in Systematic Reviews and Meta-Analyses in the Field of Hepatology

Kim G, Cho YZ, Baik SK

A systematic review (SR) provides the best and most objective analysis of the existing evidence in a particular field. SRs and derived conclusions are essential for evidence-based strategies in medicine...
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Effects of Omega-3 Supplementation on Adipocytokines in Prediabetes and Type 2 Diabetes Mellitus: Systematic Review and Meta-Analysis of Randomized Controlled Trials

Becic T, Studenik C

BACKGROUND: The objective of this systematic review and meta-analysis was to determine the effects of omega-3 supplementation on adipocytokine levels in adult prediabetic and diabetic individuals. METHODS: We searched PubMed, Medline,...
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Effects of Ego-resilience Interventions among Children and Adolescents in Korea: A Meta-analysis

Jung SA, Lee K

PURPOSE: This study was a meta-analysis planned to exam effects of ego-resilience interventions among children and adolescents in Korea. METHODS: Search for relevant articles included several electronic databases and hand-search from...
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Factors Related to Positive Psychological Capital among Korean Clinical Nurses: A Systematic Review and Meta-Analysis

Lee BY, Jung HM

PURPOSE: The purpose of this study was to systematically review and identify factors relevant to the positive psychological capital of clinical nurses. METHODS: These was no limit on year of publication....
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Vitamin D and Risk of Respiratory Tract Infections in Children: A Systematic Review and Meta-analysis of Randomized Controlled Trials

Ahn JG, Lee D, Kim KH

PURPOSE: Recent observational studies have found that vitamin D deficiency is associated with respiratory tract infections. However, randomized controlled trials (RCTs) regarding the efficacy of vitamin D in childhood respiratory...
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Efficacy of miltefosine compared with glucantime for the treatment of cutaneous leishmaniasis: a systematic review and meta-analysis

Iranpour S, Hosseinzadeh A, Alipour A

Cutaneous leishmaniasis (CL) is most common form of leishmaniasis and is characterized by ulcerative skin lesions. The objective of this study was to conduct a systematic review and meta-analysis of...
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