Yong Kyun Roh

ORCID: 0000-0002-6942-7657
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About
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Research Areas
  • Nutrition and Health in Aging
  • Nutritional Studies and Diet
  • Frailty in Older Adults
  • Obesity, Physical Activity, Diet
  • Body Composition Measurement Techniques
  • Dementia and Cognitive Impairment Research
  • Health Systems, Economic Evaluations, Quality of Life
  • Nutrition, Health and Food Behavior
  • Bariatric Surgery and Outcomes
  • Diabetes, Cardiovascular Risks, and Lipoproteins
  • Liver Disease Diagnosis and Treatment
  • Healthcare Policy and Management
  • Cancer Risks and Factors
  • Folate and B Vitamins Research
  • Iron Metabolism and Disorders
  • Technology and Data Analysis
  • Aging, Elder Care, and Social Issues
  • Phytase and its Applications
  • Chronic Kidney Disease and Diabetes
  • Health and Wellbeing Research
  • Health and Well-being Studies
  • Balance, Gait, and Falls Prevention
  • Global Health Care Issues
  • Trace Elements in Health
  • Chemotherapy-induced organ toxicity mitigation

Hallym University Kangnam Sacred Heart Hospital
2014-2024

Comprehensive Clinical Research
2023

Hallym University
2008-2023

Hallym University Medical Center
2014-2022

Chungbuk National University Hospital
2021

Bridge University
2016

Catholic University of Korea
2015

Korea University
2004-2015

Creative Commons
2015

Seoul National University Hospital
2004

Limited evidence exists regarding associations between obesity and kidney cancer among Asians. We examined the measures risk of cancer. included 23,313,046 adults who underwent health examinations provided by Korean National Health Insurance Service 2009–2012 performed multivariable Cox proportional hazards regression analyses. During 5.4 years follow-up, 18,036 cases were recorded, cumulative incidence was 0.12%. General abdominal associated with 1.32-fold increased compared groups without...

10.1038/s41416-019-0500-z article EN cc-by British Journal of Cancer 2019-06-23

Abstract The Technological Change in Health Care Research Network collected unique patient‐level data on three procedures for treatment of heart attack patients (catheterization, coronary artery bypass grafts and percutaneous transluminal angioplasty) 17 countries over a 15‐year period to examine the impact economic institutional factors technology adoption. Specific are shown be important uptake these technologies. Health‐care systems characterized as public contract reimbursement have...

10.1002/hec.1417 article EN Health Economics 2008-10-28

Background Ferritin is associated with various cardiometabolic risk factors such as dyslipidemia, hypertension, obesity, and insulin resistance in adults. We aimed to study the association between serum ferritin levels dyslipidemia adolescents, because considered an important modifiable cardiovascular factor young. Methods analyzed 1,879 subjects (1,026 boys 853 girls) from 2009–2010 Korean National Health Nutrition Examination Survey IV. Subjects were categorized into quartiles according...

10.1371/journal.pone.0153167 article EN cc-by PLoS ONE 2016-04-12

The Korean healthcare system is faced with a crisis caused by rapidly changing social values tending toward westernization, increasing insurance benefit requests for elder health care, financial instability of the National Health Insurance (NHI) program, and lack infrastructure elderly. demand care elderly has increased markedly, because aging population, growing female participation in labor market, elevated expectations change pattern medical conditions from acute illness to chronic...

10.1111/j.1532-5415.2004.52322.x article EN Journal of the American Geriatrics Society 2004-06-15

The purpose of this study was to examine the relationship between serum ferritin levels and metabolically obese normal weight (MONW) determine appropriate cut-off value for prediction clinical metabolic status in nonobese Korean adults. Data from 9411 participants fourth (2008) fifth (2010) annual Korea National Health Nutrition Examination Surveys were used study. MONW determined by combining Cholesterol Education Program Adult Treatment Panel III criteria, Wildman homeostatic model...

10.1097/md.0000000000002335 article EN cc-by-nc Medicine 2015-12-01

Background: Evidence regarding the association between variabilities in obesity measures and health outcomes is limited. We aimed to examine cardiovascular all-cause mortality.Methods: identified 4,244,460 individuals who underwent examination conducted by Korean National Health Insurance Service during 2012, with ≥3 anthropometric measurements 2009 2012. Variabilities body weight (BW) waist circumference (WC) were assessed using four indices including variability independent of mean (VIM)....

10.3803/enm.2020.871 article EN cc-by-nc Endocrinology and Metabolism 2020-12-24

Background: Many studies have shown that Hashimoto’s thyroiditis (HT) acts as a protective factor in differentiated thyroid cancer (DTC), but little is known about its effects on mortality. Therefore, this study was performed to reveal the prognosis of HT mortality patients with DTC.Methods: This included two types research results: retrospective cohort using National Epidemiologic Survey Thyroid (NEST) Korea and meta-analysis NEST data eight selected studies.Results: Of 4,398 DTC NEST, 341...

10.3803/enm.2023.1748 article EN cc-by-nc Endocrinology and Metabolism 2024-01-03

Extraskeletal Ewing's sarcoma (EES) is a branch of neuroectodermal tumor (PNET), which very rare soft tissue sarcoma. We report case EES/PNET arising the lung 67-yr-old man. Computed tomography, bone scintigraphy, and positron emission tomography confirmed mass to have primary pulmonary origin. The showed positive reactivity in Periodic Acid Schiff (PAS) stain MIC-2 immunoreactivity immunohistochemical stain. Fluorescence situ hybridization (FISH) was performed, revealed an EWSR1 (Ewing...

10.3346/jkms.2007.22.s.s159 article EN Journal of Korean Medical Science 2007-01-01

Abstract The relationship between body weight changes in late life and cognitive function is controversial. We investigated whether gain or loss affected community-dwelling older adults over a 3-year period. Our study used data from the Survey of Living Conditions Welfare Needs Korean Older Persons included 3859 subjects (aged ≥65 years) with normal cognition at baseline. At baseline follow-up, height were measured, was assessed using mini-mental state examination. Based on their mass index...

10.1097/md.0000000000014736 article EN cc-by-nc Medicine 2019-02-28

Osteoporosis and osteopenia are characterized by reduced bone mineral density (BMD) increased fracture risk. Although the risk of fractures is higher in underweight people than overweight people, accumulation body fat (especially abdominal fat) can increase loss. This study aimed to evaluate association between percentage BMD normal-weight middle-aged Koreans.This included 1,992 adults (mean age, 48.7 years; 52.9% women). were measured using dual-energy X-ray absorptiometry. Multiple linear...

10.4082/kjfm.17.0082 article EN cc-by-nc Korean Journal of Family Medicine 2018-11-16

Abstract We investigated whether clinical factors including comorbidities, medications, and laboratory results predict inpatient fall risk in older adults. The participants this case–control study included hospitalized adults with acute conditions who had falls during their hospital stay (case group) 410 did not experience (control group). Data on medical history, assessment (Morse Fall Scale; MFS), were obtained. Conditional logistic regression analysis was performed to estimate the...

10.1038/s41598-021-81034-9 article EN cc-by Scientific Reports 2021-01-15

Albuminuria and periodontitis are both commonly associated with systemic inflammation. However, the association between urinary albumin excretion (UAE) in patients type 2 diabetes has not been fully investigated. This study aimed to investigate UAE Korean adults diabetes.This performed a cross-sectional analysis used hierarchical multivariable logistic regression models. Data from 2012 National Health Nutrition Examination Survey were analyzed. A total of 547 patients, without renal...

10.1097/md.0000000000001839 article EN cc-by-nc Medicine 2015-10-01

Objective A quantitative basis for the use of dipstick urinalysis risk assessment all-cause mortality is scarce. Therefore, we investigated association between proteinuria and in a general population evaluated effect confounders on this association. Methods The study included 17,342,956 adults who underwent health examinations 2005 2008 under National Health Insurance System. Proteinuria was determined using single urinalysis, primary outcome mortality. prognostic impact assessed by...

10.1371/journal.pone.0199913 article EN cc-by PLoS ONE 2018-06-28

The objective of this study was to examine the association estimated glomerular filtration rate (eGFR) and urine albumin creatinine ratio (ACR) with hearing impairment among diabetic adults in Korea. based on data from Korea National Health Nutrition Examination Survey 2011 2012. Participants were 1206 adults, aged over 19 years, who completed audiometric testing supervised by nationally certified clinicians. Hearing defined three grades: no (pure-tone average 0–25 dB), slight (26–40...

10.1097/md.0000000000003423 article EN cc-by-nc Medicine 2016-04-01

Obese individuals who are not at an elevated risk for cardiovascular disease described as having metabolically healthy obesity (MHO). We sought to identify clinically useful indicators of MHO. Records the Korean National Health and Nutrition Examination Survey (2009-2010) were used analyze 3,770 obese subjects (body mass index ≥ 25 kg/m2), divided into metabolic syndrome MHO groups. Persons met less than 3 criteria (MS) defined estimated age-specific prevalence rates according number MS that...

10.1186/1471-2458-14-1166 article EN cc-by BMC Public Health 2014-11-14
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