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STATISTICAL RESOURCE
Year : 2022  |  Volume : 5  |  Issue : 1  |  Page : 139-144

Are you confident about your confidence in confidence intervals?


Department of Medical Oncology and Hemato-oncology, Command Hospital Air Force, Bengaluru, Karnataka, India

Correspondence Address:
H S Darling
Department of Medical Oncology and Hemato-oncology, Command Hospital Air Force, Bengaluru, Karnataka - 560 007
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/crst.crst_75_22

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Confidence interval (CI) is a commonly used parameter in the statistical analysis of various clinical studies. Despite being highly informative, and easily interpretable, the CI is associated with certain oversimplifications, leading to occasionally distorted conclusions of the results. This review is an overview of the characteristics, uses, shortcomings, and recommendations to help guide the best use of the CI. We searched in the PubMed and Cochrane databases using the search terms, “clinical importance,” “confidence interval,” “confidence level,” “point estimate,” and “statistical significance,” and the articles directly relevant to this review were chosen. The purpose of the review is to familiarize clinicians with the concept of the CI and to equip them with a basic understanding of the results of scientific publications.


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