Abstract
4/2011
vol. 8
JAKOŚĆ W MEDYCYNIE
The chi-square independence test and its application in the clinical researches
Kardiochirurgia i Torakochirurgia Polska 2011; 4: 550–554
Online publish date: 2011/12/28
The chi-square test is one of most commonly used statistical tests in medical science. This test is used to verify the null hypothesis (H0) which assumes that there is no significant difference between expected and observed data. The null hypothesis is rejected if chi-square value p is less than 5%. A comprehensive review of a chi-square test application and its limitations are presented.
Keywords
chi-square test, Fisher exact test, Yates correction, McNemar test, Cochran-Armitage test
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