RETN and metabolic syndrome: Analyzing predictors of MetS after 18 months of observation, it was found that the AR index (p = 0.007; EXP(B) = 1.265; 1.067–1.500) and resistin (p = 0.015; EXP(B) = 1.301; 1.053–1.606) were independent positive predictors of MetS.