PON1 and atrial fibrillation: After controlling age, sex, BMI, current smoking, HP, HLP, DM, CHD, AF, leukocyte, hemoglobin, TC, TG, LDL-C, HDL-C, FBG, HbA1c, and NIHSS (Model 3), compared with serum PON1 Q1 patients, serum PON1 Q3 (OR: 0.627; 95% CI: 0.391-0.814; p = 0.013) and Q4 (OR: 0.556; 95% CI: 0.397-0.852; p = 0.004) patients have a better functional prognosis.