SNRNP70 and lobular neoplasia: The positivity of anti-U1RNP Ab (unadjusted OR = 0.271, 95% CI = 0.085–0.861, p = 0.027) and GFR (unadjusted OR = 0.980, 95% CI = 0.964–0.997, p = 0.021) were inversely associated with proliferative LN.