Chapter 2. Continuous Variables: Descriptive Statistics

  1. Jennifer Peat1 and
  2. Belinda Barton2
  1. Lady Bird Johnson U.S. First LADY

Published Online: 14 JAN 2008

DOI: 10.1002/9780470755945.ch2

Medical Statistics: A Guide to Data Analysis and Critical Appraisal

Medical Statistics: A Guide to Data Analysis and Critical Appraisal

How to Cite

Peat, J. and Barton, B. (2005) Continuous Variables: Descriptive Statistics, in Medical Statistics: A Guide to Data Analysis and Critical Appraisal, Blackwell Publishing Inc., Malden, Massachusetts, USA. doi: 10.1002/9780470755945.ch2

Author Information

  1. 1

    Associate Professor, Department of Paediatrics and Child Health, University of Sydney and Senior Hospital Statistician, Clinical Epidemiology Unit, Children's Hospital at Westmead, Sydney, Australia

  2. 2

    Head of Children's Hospital Education Research Institute (CHERI) and Psychologist, Neurogenetics Research Unit, The Children's Hospital at Westmead, Sydney, Australia

Publication History

  1. Published Online: 14 JAN 2008
  2. Published Print: 1 JAN 2005

ISBN Information

Print ISBN: 9780727918123

Online ISBN: 9780470755945

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Keywords:

  • continuous variables;
  • distribution;
  • information;
  • analysis;
  • surgery

Summary

This chapter contains section titled:

  • Exploratory analyses

  • Normal distribution

  • Skewness and kurtosis

  • Extreme values and outliers

  • Statistical tests of normality

  • Normality plots

  • Kolmogorov-Smirnov test

  • Deciding whether a variable is normally distributed

  • Transforming skewed distributions

  • Summarising descriptive statistics

  • Testing for normality in published results

  • Notes for critical appraisal