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  • Title: Outcome of adult onset systemic lupus erythematosus in Iran.
    Author: Fatemi A, Matinfar M, Sayedbonakdar Z, Maracy M, Karimzadeh H, Saber M, Smiley A.
    Journal: Lupus; 2014 Oct; 23(11):1211-6. PubMed ID: 24833666.
    Abstract:
    AIM: The aim of this study was to determine systemic lupus erythematosus (SLE) survival in adult patients and its predictors in Iran. METHODS: The adult patients diagnosed with SLE and admitted to our referral general hospital from 1992 to 2011 were studied. Demographic, clinical and laboratory data at the time of diagnosis were obtained retrospectively and analyzed. Survival rates were calculated by the Kaplan-Meier method. Predictors of mortality were assessed by Cox regression analysis. RESULTS: In total, 417 were enrolled in the study; 23 were lost to follow-up. Mean (SD) age of SLE onset was 30 (9.7) years. During the study period 35 patients (8.9%) died. The most common causes of death were active SLE (43%), infections (28.6%) and circulatory diseases (20%). Overall survival rates after 5, 10, 15 and 20 years were 93%, 90%, 90% and 80%, respectively. Poor survival predictors in univariate analysis were pericarditis, seizure and hematuria. With multivariate Cox regression analysis, no pericarditis (p = 0.007, HR = 0.22, 95%CI: 0.075-0.657) and no seizure (p = 0.019, HR = 0.35, 95%CI: 0.149-0.846) at the time of SLE diagnosis were found as protective factors in patients' survival. CONCLUSION: Our study revealed that the survival rate of SLE is comparable with the acceptable worldwide trend. Presenting with pericarditis and seizure at the time of SLE diagnosis prominently decreased the survival rate. Prospective and multicenter studies are needed to better identify the behavior of SLE in Iran.
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