Notably, a similar trend was observed when the cut-off value of 10.7 ng/mL for serum Gal-9 levels (AUC: 0.71) was adopted for identifying RA patients with DAS28-CRP ≤5.1 from those with DAS28-CRP>5.1 (Supplementary Figure S1A). The gene discussed is LGALS9; the disease is rheumatoid arthritis.