HAVCR1 and systemic lupus erythematosus: The serum and urinary values of KIM-1 (ng/dL serum, ng/mL urine) and β2MG (ng/dL serum, mg/L urine) in patients with SLE were significantly different according to the values of eGFR (Table 2), albuminuria (Table 3), and active urinary sediment (hematuria, pyuria, cylindruria).