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StatsToDo : Sample Size for Matched Pair Comparison of Two Proportions Program

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Related link :
Sample Size Introduction and Explanation Page
Unpaired Comparison of Two Proportions Program Page
Unpaired Proportions Explanations Page
Sample Size for Matched Paired Controlled Studies Explained and Tables Page

Program References
Sample Size :
Power :

Sample Size : The data is in 5 columns.

  • Each row a separate calculation
  • Col 1 = probability of Type I error (α)
  • Col 2 = power (1-β)
  • Col 3 = expected proportion in control cases (λc)
  • Col 4 = expected proportion in indexed cases (λi)
  • Col 5 = Ratio of control (nc) to indexed (ni) cases (r = nc/ni)

Power Estimation : The data is in 5 columns.

  • Each row a separate calculation
  • Col 1 = probability of Type I error (α)
  • Col 2 = number of paired units in the study
  • Col 3 = observed proportion in control cases (λc)
  • Col 4 = observed proportion in indexed cases (λi)
  • Col 5 = Ratio of control (nc) to indexed (ni) cases (r = nc/ni)

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