Do diabetes and family history influence the rheumatoid arthritis? - results from a case-control study

Introduction: Up to now, several studies have been performed about the role of dif ferent factors on inci- dence and severity of Rheumatoid arthritis (RA) in the world. This 2009 study was carried out to investi- gate the association between History of diabetes and Family history of RA with RA incidence in Hamedan, a western city of Iran. Methods: As a case-control study , information from 128 cases and 130 controls, matched for age and Sex, were collected by questionnaire and analyzed using SPSS (chi-square test). Results: In case and control groups, females were 116 and 118 Statistical analysis showed that there is significant and no significant association between Family history of RA and history of diabetes with RA respectively. Conclusion: Considering previous global investigations on these topics and the results of our study , it seems that more studies will be needed to describe the asso- ciation between history of diabetes and RA, but about another checked risk factor, there is a definite signif- icant association between family history of RA and RA.