TY - JOUR T1 - Comparison of the Used Chi- Square Tests with Chi-Square Tests for Trend in Some Medical Papers TT - مقایسه آزمون مجذور کای بکار رفته در برخی از مقالات پزشکی با آزمون مجذور کای روند JF - umsha JO - umsha VL - 8 IS - 1 UR - http://sjh.umsha.ac.ir/article-1-887-en.html Y1 - 2001 SP - 0 EP - 0 KW - Chi - Square/ Chi – Square for Trend / Statistical Test N2 - One of the most common statistical tests in the medical journals is chi- square test. The present study compares the used chi-square tests in the medical journals with chi-square for trend. The statistical package of EPI6 was used to compare the methods. For some selected papers chi-square test and chi-square test for trend were used. The results showed in some tests although the chi-square test was statistically significant but the chi-square for trend was not significant and vice versus. It can be concluded when analyzing contingency tables, care should be taken for the appropriate test. M3 ER -