CRP and systemic lupus erythematosus: In febrile SLE patients, multivariate analysis showed that the in-hospital mortality rates were higher than those without MAS ( 13% in MAS as compared to 3% in patients without MAS). Univariate logistic regression analysis showed age, CRP, LFTS, RFTs, presence of MAS on admission, and MAS throughout hospital stay associated with in-hospital mortality