- A Review Study on Confounding Effect: Case-control Study
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Kim S, Kim M, Lee SY
- KMID: 2304011
- Korean J Epidemiol.
- 1999 Dec;21(2):248-253.
Confounding is the distortion of a disease/exposure association brought about by other factors which are not considered in the study design or the data analysis. These factors are called confounding... -
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- Comorbidity is Independently Associated with Poor Outcome in Extremity Soft Tissue Sarcoma
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Kang S, Kim HS, Kim W, Kim JH, Kang SH, Han I
- KMID: 2069884
- Clin Orthop Surg.
- 2015 Mar;7(1):120-130.
- doi: 10.4055/cios.2015.7.1.120
BACKGROUND: Comorbidity has not been examined as an independent prognostic factor in soft tissue sarcoma (STS). We examined the prognostic impact of comorbidity on oncologic outcome in STS with an... -
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- Meta Analysis of Elderly Gravida according to General and Clinical Characteristics
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Lim S, Lee SY
- KMID: 1925231
- Korean J Obstet Gynecol.
- 1997 Nov;40(11):2550-2560.
Based on the 10 domestic theses which conducted a case-control study of elderly gravida over 35, meta analysis was made of the general and clinical characteristics of cases of elderly... -
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- Survey of the use of statistical methods in Journal of the Korean Association of Oral and Maxillofacial Surgeons
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Choi YG
- KMID: 2405373
- J Korean Assoc Oral Maxillofac Surg.
- 2018 Feb;44(1):25-28.
- doi: 10.5125/jkaoms.2018.44.1.25
OBJECTIVES: This study aimed to describe recent patterns in the types of statistical test used in original articles that were published in Journal of the Korean Association of Oral and... -
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- A study on Statistical Method for Controlling the Effect of Intermediate Events: Application to the Control of the Healthy Worker Effect
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Nam CM, Kim J, Kang DR, Ahn YS, Lee HY, Lee DH
- KMID: 2303950
- Korean J Epidemiol.
- 2002 Jun;24(1):7-16.
PURPOSE: The healthy worker effect is an important issue in occupational epidemiology. This study was conducted to propose a new method to test the relation between exposure and mortality in... -
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- Clinical Factors for the Development of Posttraumatic Hydrocephalus after Decompressive Craniectomy
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Choi I, Park HK, Chang JC, Cho SJ, Choi SK, Byun BJ
- KMID: 1477585
- J Korean Neurosurg Soc.
- 2008 May;43(5):227-231.
- doi: 10.3340/jkns.2008.43.5.227
OBJECTIVE: Earlier reports have revealed that the incidence of posttraumatic hydrocephalus (PTH) is higher among patients who underwent decompressive craniectomy (DC). The aim of this study was to determine the... -
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- Allergic Rhinitis Mouse Model
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Cho SH
- KMID: 1493619
- Korean J Otorhinolaryngol-Head Neck Surg.
- 2012 Oct;55(10):609-615.
- doi: 10.3342/kjorl-hns.2012.55.10.609
Allergic rhinitis is the most common atopic disease in the world. However, pathogenic mechanisms of allergic rhinitis have not been fully understood. Mouse models of allergic rhinitis are a great... -
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- Reliability of Covariates in Baseline Survey of a Cohort Study: Epidemiological Investigation on Cancer Risk Among Residents Who Reside Near the Nuclear Power Plants in Korea
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Bae S, Park BY, Li ZM, Ahn YO
- KMID: 1070500
- J Prev Med Public Health.
- 2010 Mar;43(2):159-165.
- doi: 10.3961/jpmph.2010.43.2.159
OBJECTIVES: We evaluated the reliability of the possible covariates of the baseline survey data collected for the Epidemiological Investigation on Cancer Risk Among Residents Who Reside Near the Nuclear Power... -
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- The Relationship between Job Stress and the Common Cold
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Kim DH, Park SG, Kim HC, Lee EC, Kim JH, Leem JH
- KMID: 2033824
- Korean J Occup Environ Med.
- 2008 Jun;20(2):74-80.
OBJECTIVES: To investigate the relationship between job stress and the common cold which is one of the most common infectious disease. METHODS: A KOSS (Korean Occupational Stress Scale)-based questionnaire survey was... -
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- Heart Rate Variability in Psychiatry
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Kim W, Woo JM, Chae JH
- KMID: 2195798
- J Korean Neuropsychiatr Assoc.
- 2005 Mar;44(2):176-184.
The analysis of heart rate variability is a useful tool to investigate the physiologic phenomena related with autonomic functions. At first, it was developed to evaluate the relation between cardiovascular... -
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- Gender Differences in the Association between Eating Behavior and Depression of Adolescents: Evidence from a National Korean Cross-sectional Survey
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Hyun HS
- KMID: 2311173
- J Korean Acad Community Health Nurs.
- 2016 Jun;27(2):106-113.
- doi: 10.12799/jkachn.2016.27.2.106
PURPOSE: The purpose of this study was to determine the relationship between unhealthy eating behavior and depression in adolescents, with confounding variables adjusted. METHODS: This study is a secondary analysis of... -
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- A Study on Volume and Acidity of Gastric Juice Related to Fasting Time
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Park EJ, Kim HJ, Yum KW
- KMID: 2240096
- Korean J Anesthesiol.
- 1998 Nov;35(5):870-876.
- doi: 10.4097/kjae.1998.35.5.870
Background: Gastric juice volume and acidity are influenced by food, drugs, and patient factors such as age, sex, weight, and fasting time. But almost studies were performed without controlling of... -
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- Association between diabetes mellitus and active periodontitis in Korean adults from Korea National Health and Nutrition Examination Surveys 2010–2015
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Lee JH, Kim DH, Nam BR, Jeong SN
- KMID: 2465840
- Oral Biol Res.
- 2019 Sep;43(3):202-209.
- doi: 10.21851/obr.43.03.201909.202
Periodontitis and diabetes mellitus (DM) are chronic diseases that require continuous management and are well known for their mutual relationship. The present study used the most recent Korea National Health... -
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- Risk Factors and Prognostic Factors for Branch Retinal Vein Occlusion
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Chang YH, Kim SH, Kwon OW
- KMID: 2205761
- J Korean Ophthalmol Soc.
- 2000 Feb;41(2):418-426.
Branch retinal vein occlusion[BRVO]is the second most common cause of visual loss following diabetic retinopathy, and it invariably occurs at the site of arteriovenous crossing. Several systemic and local factors,... -
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- The Association between Sleep Duration and Hypertension in Non-obese Premenopausal Women in Korea
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Song MY, Sung E, Jung SP, Lee KM, Keum SH, Ryu SD
- KMID: 2160987
- Korean J Fam Med.
- 2016 Mar;37(2):130-134.
- doi: 10.4082/kjfm.2016.37.2.130
BACKGROUND: Previous studies have revealed that sleep duration is linked to both obesity and hypertension. Here, we evaluated the association between sleep duration and hypertension in obese and non-obese premenopausal... -
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- Estimated Occupational Injury Rate and work Related Factors Based on Data From the Fourth Korea National Health and Nutrition Examination Survey
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Jung DY, Kim HC, Leem JH, Park SG, Lee DH, Lee SJ, Kim GW
- KMID: 2141490
- Korean J Occup Environ Med.
- 2011 Jun;23(2):149-163.
OBJECTIVES: This study used representative national survey data of Korean workers to estimate the occupational injury rate and to identify factors associated with occupational injuries. METHODS: We analyzed data from the... -
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- Relevance of Dental Health Capacity and Pulmonary Function Status in Adults
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Song KS, Ryu DY, Kim IJ
- KMID: 2394695
- J Dent Hyg Sci.
- 2017 Oct;17(5):454-461.
- doi: 10.17135/jdhs.2017.17.5.454
The purpose of this study was to confirm the relevance of dental health capacity and pulmonary function status. The subjects of this study were adults aged 40 years and older,... -
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- Validation of Neurobehavioral Tests for Occupational Screening (NTOS): results of patients of Parkinson's disease
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Lee CY
- KMID: 2282885
- Korean J Prev Med.
- 1997 Sep;30(3):577-584.
Validation and Standardization of neurobehavioral instrument in Korean occupational setting has not been studied ever. This study tried to validate the newly developed computerized psychomotor tests, Neurobehavioral Tests for Occupational... -
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- Risk of cesarean section after induced versus spontaneous labor at term gestation
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Lee HR, Kim MN, You JY, Choi SJ, Oh SY, Roh CR, Kim JH
- KMID: 2058457
- Obstet Gynecol Sci.
- 2015 Sep;58(5):346-352.
- doi: 10.5468/ogs.2015.58.5.346
OBJECTIVE: To investigate whether the cesarean section (CS) rate is increased in women whose labor was induced compared to those who had spontaneous labor at term pregnancy. METHODS: A retrospective study... -
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- Association between Bone Mineral Density and Sleep Duration in the Korean Elderly Population
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Kim N, Choi HR, Kim SW, Kim BS, Won CW, Kim SY
- KMID: 2304150
- Korean J Fam Med.
- 2014 Mar;35(2):90-97.
- doi: 10.4082/kjfm.2014.35.2.90
BACKGROUND: An association between sleep duration and a wide spectrum of diseases has been reported, but little is known about its relationship with bone mineral density (BMD). Previously conducted studies... -
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