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임상연구 설계 및 통계학적 분석 방법

Other Titles
 Clinical Research Design and Biostatistical Methods 
Authors
 송기준  ;  한무영  ;  정미영  ;  임길섭  ;  김동기 
Citation
 KOREAN JOURNAL OF UROLOGY, Vol.46(8) : 835-841, 2005 
Journal Title
KOREAN JOURNAL OF UROLOGY(대한비뇨기과학회지)
ISSN
 0494-4747 
Issue Date
2005
MeSH
Research design ; Biostatistics
Keywords
Research design ; Biostatistics
Abstract
Purpose: To proceed effectively with clinical research requires an understanding of the fundamental principles of study design and biostatistical methods. In this article, we identified and summarized basic clinical research designs and some of the key biostatistical methods that have been commonly used in clinical research.

Materials and Methods: In an observational study, cross-sectional, case- control and Cohort designs were illustrated and compared. In a clinical trial study, parallel group design and cross-over designs were described according to their characteristics. Also, the biostatistical methods for their usages classified and summarized.

Results: Understanding and evaluating research design are part of the process researchers must use to determine both the quality and usefulness of their research. Adequate applications to biostatistical methods are need; i.e., descriptive statistics, Student´s t-test, ANOVA, nonparametrics, categorical data analysis, correlation and regression, and survival analysis.

Conclusions: Research findings are used by clinical researcher to guide their practice and reduce their uncertainty in clinical decision making. However, to understand how to interpret research results, it is important to be able to understand basic statistical concepts and types of study design. Clinicians should also appropriately choose the biostatistical methods to suit their purposes.
Files in This Item:
T200500905.pdf Download
DOI
OAK-2005-04758
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Biomedical Systems Informatics (의생명시스템정보학교실) > 1. Journal Papers
3. College of Nursing (간호대학) > Dept. of Nursing (간호학과) > 1. Journal Papers
Yonsei Authors
Kim, Dong Ki(김동기)
Song, Ki Jun(송기준) ORCID logo https://orcid.org/0000-0003-2505-4112
Cheong, My Young(정미영)
Han, Moo Young(한무영)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/151113
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