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Sample size for Confidence interval of a difference between paired proportions

Confidence interval
Confidence Interval (%):  
Input
Proportion in group 1 (%): 
Proportion in group 2 (%): 
Correlation coefficient: 
Confidence interval width (2-sided): 
Results
Minimum required number of pairs:

For details, see the MedCalc manual: Confidence interval sample size: Difference between paired proportions.

How to cite this page

  • MedCalc Software Ltd. Sample size for Confidence interval of a difference between paired proportions. https://www.medcalc.org/calc/sample-size-ci-difference-between-paired-proportions.php (Version 23.2.1; accessed March 26, 2025)
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© 2025 MedCalc Software Ltd