LOXL2 and atrial fibrillation: Multivariate regression analysis further demonstrated that serum LOXL2 (OR 1.013, 95% CI 1.002–1.024, P<0.05) and LAD (OR 1.704, 95% CI 1.131–2.568, P<0.01) were independent predictors of AF in this patient group (Table 2).