In a study involving 30 patients with T2D, no correlation was found between Gal-3 and BMI, WHTR, FPG, LDL, HDL, or CH; however, Gal-3 levels were negatively correlated with HbA1c [23], a finding that was also reported in studies by Bobronnikova and Seferovic [24,25]. Here, C4B is linked to type 2 diabetes mellitus.