McNemar's Test Calculator

Analyze paired nominal data to test for marginal homogeneity using McNemar's chi-square test.

2x2 Contingency Table

McNemar Chi-Square (Corrected)

4.0500

Statistically Significant

pP-Value
0.131994
cvCritical Value
3.841
OROdds Ratio
0.3333
b+cDiscordant Pairs
20

Results

  • Chi-Square (uncorrected): 5.0000
  • 95% CI for OR: [0.1211, 0.9172]
  • Total Sample Size: 50

Formula

Chi-Square = (|b - c| - 1)^2 / (b + c)

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Editorial Note

MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: Standard Mathematical References

by Various

🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.