Statistical significance testing

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

Table data:

		+ve	-ve
	+ve
	-ve
		+ve	-ve
	+ve
	-ve

Desired level of confidence

0.9 0.95 0.98 0.99

Digits after decimal point

Submit

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.