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Endovascular Treatments Performed Collaboratively by the Society of Korean Endovascular Neurosurgeons Members: A Nationwide Multicenter Survey

Kim TG, Kwon O, Shin YS, Sung JH, Koh JS, Kim BT

OBJECTIVE: Since less invasive endovascular treatment was introduced to South Korea in 1994, a considerable proportion of endovascular treatments have been performed by neuroradiology doctors, and endovascular treatments by vascular...
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Statistical notes for clinical researchers: the independent samples t-test

Kim HY

No abstract available.
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Multicollinearity and misleading statistical results

Kim JH

Multicollinearity represents a high degree of linear intercorrelation between explanatory variables in a multiple regression model and leads to incorrect results of regression analyses. Diagnostic tools of multicollinearity include the...
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Study for Lists of Forensic Autopsy Request: Quantitative Analysis about Documents Relating to Autopsy Request

Park JH, Na JY, Lee BY, Song SH

In the Republic of Korea, relevant documents are submitted to forensic doctors or agencies when courts grant confiscation warrants for autopsy. If the essential data on unusual death are not...
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How to Increase Your “Power”

Kim J

No abstract available.
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Investigation of Status of School Nutrition Education and Changes in Perception of Nutrition Teacher's Job

Kim J, Cha J

The purpose of this study was to investigate the status of school nutrition education and changes in perception of nutrition teacher's job in order to determine the need for redesign...
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Statistical notes for clinical researchers: covariance and correlation

Kim HY

No abstract available.
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A Statistical Analysis on Forensic Autopsies Performed in Korea in 2016

Park JH, Na JY, Lee BW, Choi YS

A statistical analysis was performed on national forensic autopsy data collected in the Republic of Korea during 2016 to overcome regional limitations and limitations from the number of unusual deaths...
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A Statistical Analysis on Forensic Autopsies Performed in Korea in 2017

Park JH, Na JY, Lee BW, Yang KM, Choi YS

Statistical analysis was performed on national forensic autopsy data collected in the Republic of Korea, with the exception of Ulsan, during 2017. A total of 8,777 cases were categorized based...
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Statistical notes for clinical researchers: Chi-squared test and Fisher's exact test

Kim HY

No abstract available.
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Synthesizing Quantitative Evidence for Evidence-based Nursing: Systematic Review

Oh EG

As evidence-based practice has become an important issue in healthcare settings, the educational needs for knowledge and skills for the generation and utilization of healthcare evidence are increasing. Systematic review...
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Analysis of Operational Characteristics and Substantiality Plan of Inpatient Diets for Foreigners in Hospitals

Kim HM, Kim EM, Kim HJ, Baek HJ, Park MS, Lee GJ, Lee HY

The objectives of this study were to analyze the operational characteristics and to explore the substantiality plan of inpatient diets for foreigners in hospitals. Questionnaires were mail-delivered to 128 hospitals,...
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The mathematical formula of the intravaginal ejaculation latency time (IELT) distribution of lifelong premature ejaculation differs from the IELT distribution formula of men in the general male population

Janssen PK, Waldinger

PURPOSE: To find the most accurate mathematical description of the intravaginal ejaculation latency time (IELT) distribution in the general male population. MATERIALS AND METHODS: We compared the fitness of various well-known...
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Nonparametric statistical tests for the continuous data: the basic concept and the practical use

Nahm FS

Conventional statistical tests are usually called parametric tests. Parametric tests are used more frequently than nonparametric tests in many medical articles, because most of the medical researchers are familiar with...
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A Statistical Analysis on Forensic Autopsies Performed in Korea in 2015

Park JH, Na JY, Lee BW, Chung NE, Choi YS

The statistical analysis of forensic autopsies provides basic data for the postmortem investigation system and is the foundation of the statistics used in the analysis of the causes of death....
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Texture Analysis of Supraspinatus Ultrasound Image for Computer Aided Diagnostic System

Park BE, Jang WS, Yoo SK

OBJECTIVES: In this paper, we proposed an algorithm for recognizing a rotator cuff supraspinatus tendon tear using a texture analysis based on a histogram, gray level co-occurrence matrix (GLCM), and...
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A Study on Body Image, Sexual Quality of Life, Depression, and Quality of Life in Middle-aged Adults

Kim JS, Kang S

PURPOSE: The purpose of this study was to examine the correlations of body image, sexual quality of life (SQOL), depression, and quality of life, and to identify the influencing factors...
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Application of a Novel Diagnostic Rule in the Differential Diagnosis between Acute Gouty Arthritis and Septic Arthritis

Lee KH, Choi ST, Lee SK, Lee JH, Yoon BY

Septic arthritis and gout are major diseases that should be suspected in patients with acute monoarthritis. These two diseases are clinically similar and often indistinguishable without the help of synovial...
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Statistical basis for pharmacometrics: maximum likelihood estimator and its asymptotics

Choi K, Yim DS

The maximum likelihood estimator is the point estimator of the top priority in statistical data analysis because of its optimum properties for large sample size. While the maximum likelihood estimator...
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Understanding Effect Sizes

Nahm FS

In most medical research the P value is commonly used to describe test results. Because the power of statistical test is influenced by sample size, the null hypothesis can be...
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