How To Calculate Difference Of Proportions

Introduction & Importance

Difference of proportions is a statistical measure used to compare two proportions…

How to Use This Calculator

1. Enter the two proportions…
2. Click ‘Calculate’…
3. View the result and chart…

Formula & Methodology

The formula for difference of proportions is…

Real-World Examples

Example 1

In a study of 100 patients, 60 were given drug A and 40 were given drug B…

Data & Statistics

Comparison of Proportions

Group	Proportion
Control	0.45
Treatment	0.58

Expert Tips

• Always ensure your proportions are between 0 and 1…
• Consider the sample size when interpreting results…

Interactive FAQ

What is the difference between difference of proportions and chi-square test?

The difference of proportions is a simple way to compare two proportions…

For more information, see CDC’s guide and OpenStax’s tutorial.