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Statistics and epidemiology 

Statistics and epidemiology
Statistics and epidemiology

Neil Herring

and Robert Wilkins

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date: 21 May 2022

In making decisions regarding the care of a particular patient, whether in terms of diagnosis, investigation or management, being able to evaluate and understand the current best available evidence is essential. In order to achieve this the clinician requires a sound knowledge of the statistical methods used to collect, organize, analyze, interpret and present data. This chapter provides clear key definitions and descriptions of population statistics, effect size statistics, hypothesis testing, and study design, emphasizing their relevance to clinical practice.

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