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Statistical significance testing

Mantel-Haenszel chi-square test for stratified 2 by 2 tables

Table data:

     
   

    +ve -ve

+ve

  -ve

     
    +ve -ve
  +ve

  -ve



This utility provides a Mantel-Haenszel chi-squared test for stratified data.

Inputs are:

  • two 2 x 2 tables of stratified data;
  • confidence level required; and
  • desired precision of answers.

Outputs include:

  • Chi-square statistic and corresponding P-value and odds ratio (with confidence limits) for each table;
  • M-H Chi-square statistic and P-value and overall odds ratio and confidence limits;
  • Woolf's test for homogeneity of odds ratios; and
  • a plot of odds ratios and associated confidence limits.