LGALS3 and atrial fibrillation: Among paired groups of patients who were sorted according to the type of atrial fibrillation or comorbidities, serum galectin-3 was higher in the diabetic group than in the non-diabetic group (9.52 ± 2.36 versus 7.07 ± 1.98, p = 0.003) but was not different in other paired groups.