CRP and lobular neoplasia: After adjusting for confounding factors (age, gender, disease activity, ESR, LAC, CREA, BUN, C3, C4, TC, TG, HDL-C, LDL-C, and CRP), SIRI (0.56 < SIRI ≤ 1.00 and SIRI > 1.90) was independently associated with LN, with SIRI ≤ 0.56 as the reference group group(Q1).