APOA1 and atrial fibrillation: On the contrary, low levels of high-density lipoprotein cholesterol (HDL-C) and ApoA-I and a high triglyceride (TG)/HDL-C ratio were associated with an increased risk of AF throughout the follow-up time (HR ranging from 1.13 [95% CI: 1.07 to 1.19, p < 0.001] to 1.53 [95% CI: 1.12 to 2.00, p = 0.007]).