Statistical Notes for Clinical Researchers: Chi-squared Test and Fisher's Exact Test

152 This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/ by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. Statistical notes for clinical researchers: Chi-squared test and Fisher’s exact test Open lecture on statistics