Abstract: Objective: SLE is an autoimmune disease. The mortality rate and causes are different in the various countries. The present study is done to find out the causes of mortality in the SLE patients in Iran. Methods: This study was retrospective according to medical records of patients who were referred to Rheumatology polyclinic, admitted in Rheumatology ward, ICU, Gynecology and Nephrology wards of Shariati hospital during 10 years, from 1991-2001. Results: Of 2021 ...