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Evidence-Based Statistics: Appropriate Approach For Description and Analysis of Research Data

AUTHORS

Mohammad Reza Baneshi 1 , * , saeide hajimaghsoodi 1 , Azam Rastegari 1 , Mohammad Reza Mahmoodi 1

1 Iran

How to Cite: Baneshi M R, hajimaghsoodi S , Rastegari A , Mahmoodi M R . Evidence-Based Statistics: Appropriate Approach For Description and Analysis of Research Data, Strides Dev Med Educ. 2011 ; 8(1):e59517.

ARTICLE INFORMATION

Strides in Development of Medical Education: 8 (1); e59517
Published Online: July 15, 2011
Article Type: Editorial
Received: August 06, 2017
Accepted: March 15, 2011

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Abstract

In recent years using statistics in medical sciences is increasing and statistics is an essential part of each research. At present, for each study design, and for each type of data, there are appropriate statistical methods, which yield to valid results and inferences. Familiarity with such methods is essential, especially for those involved in the field of medical research, as they might confuse majority of readers who are not familiar with details of statistical analysis and data interpretation. Other consequences include waste of money, time, and energy spent for each research project. In recent years some papers have been published to enhance researchers’ knowledge of statistics and its application in research methodology, but still there are many methodological mistakes in manuscripts. In this article we aim to demonstrate appropriate methods for data analysis. We will discuss importance of confidence intervals and their advantages over P-value. We will finally highlight common errors in data analysis such as univariate methods, ignoring power in detection of difference between groups, and using correlation coefficient to assess the agreement between scores.

Keywords

Evidenced Based Statistics Description Analysis

© 2011, Medical Education Development Center. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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