title: When Appropriate Statistical Analysis is Dismissed.
authors.affiliation: Gastroenterology and Liver Diseases Research Center, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran.
authors.forename: Mohamad Amin
authors.initials: MA
authors.lastname: Pourhoseingholi
authors.forename: Ahmad Reza
authors.initials: AR
authors.lastname: Baghestani
authors.forename: Mohsen
authors.initials: M
authors.lastname: Vahedi
keywords: Chi-Square Distribution; Sample Size