Data handling and statistics essentials

Craig D. Newgard, Roger J. Lewis

Research output: Chapter in Book/Report/Conference proceedingChapter


There is a critical need for high-quality, rigorous out-o-hospital research to drive further developments in out-of-hospital medicine and to improve the quality of care and outcomes for patients served by emergency medical services. Appropriate data handling and statistical analyses are very important aspects of such high-quality research. In this chapter, we detail several related topics, including classical hypothesis testing, type I and II error, power analysis, commonly used statistical tests and their underlying assumptions, confidence intervals, multiple comparisons, subgroup analysis, intention-to-treat and interim data analysis in clinical trials, multivariable analysis, clustered data, missing data, and strategies for using statistical consultants.

Original languageEnglish (US)
Title of host publicationMedical Oversight of EMS
Number of pages10
ISBN (Electronic)9781118990810
ISBN (Print)9781118865309
StatePublished - Feb 12 2015


  • Analysis
  • Data
  • Statistics

ASJC Scopus subject areas

  • Medicine(all)


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