Basic Statistics and Epidemiology: A Practical Guide

Radcliffe Publishing, 2007 - 168 lappuses
Most healthcare professionals need to be able to read and understand clinical evidence, and make a judgement on what treatments are effective. To do this, they need a basic grounding in statistics and epidemiology. These are areas which many people find hard to understand, fear or find distinctly uncomfortable. However, readers of this book will find it stimulates their interest and helps them understand the basics quickly and simply. It provides every doctor, nurse, health manager, researcher and student with a concise, practical guide. This straightforward primer in basic statistics emphasises its practical use in epidemiology and public health, providing understanding of essential topics such as study design, data analysis and statistical methods used in the execution of medical research. This new Edition includes fresh sections on Correlation and Linear Regression, as well as brand new exercises reflecting current working life. Clearly worded and assuming no prior knowledge, it gives full step-by-step guidance on performing statistical calculations. Illustrated by numerous examples, and containing exercises with detailed answers, it will help readers grasp the main points of these complex subjects with ease.

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Saturs

 What are statistics? 1 Populations and samples 3 Random sampling 7 Presenting data 11 Frequencies percentages proportions and rates 15 Types of data 19 Mean median and mode 23 Centiles 27
 What is epidemiology? 81 Bias and confounding 83 Measuring disease frequency 87 Measuring association in epidemiology 95 Prevalence studies 103 Questionnaires 105 Cohort studies 111 Casecontrol studies 115

 Standard deviation 29 Standard error 33 Normal distribution 35 Confidence intervals 39 Probability 43 Hypothesis tests and Pvalues 47 The ttest 51 Parametric and nonparametric tests 57 Correlation and regression 59 Chisquared test 73 Statistical power and sample size 79
 Randomised controlled trials 119 Screening 125 Glossary of terms 133 Statistical tables 135 Exercises 141 Answers to exercises 149 References 159 Further reading 161 Index 163 Autortiesības

Populāri fragmenti

160. lappuse - JD. influence of bacterial vaginosis on conception and miscarriage in the first trimester: cohort study.

Atsauces uz šo grāmatu

 Clinical Audit and Epi InfoAntony StewartIerobežota priekšskatīšana - 2003

Par autoru (2007)

Consultant in Public Health, Birmingham East and North Primary Care Trust and Visiting Professor in Epidemiology, Staffordshire University