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Ann Indian Acad Neurol. 2011 Oct;14(4):287-90. doi: 10.4103/0972-2327.91951.

Design, data analysis and sampling techniques for clinical research.

Author information

  • 1Department of Pulmonary and Critical Care Medicine, Johns Hopkins University School of Medicine, Trivandrum, India.

Abstract

Statistical analysis is an essential technique that enables a medical research practitioner to draw meaningful inference from their data analysis. Improper application of study design and data analysis may render insufficient and improper results and conclusion. Converting a medical problem into a statistical hypothesis with appropriate methodological and logical design and then back-translating the statistical results into relevant medical knowledge is a real challenge. This article explains various sampling methods that can be appropriately used in medical research with different scenarios and challenges.

KEYWORDS:

Design; sampling; study

PMID:
22346019
[PubMed]
PMCID:
PMC3271469
Free PMC Article
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