Fig. 2

a The calibration plot of LDL-C/HDL-C; b The calibration plot of for the CHA₂DS₂-VASc score; c The calibration plot of LDL-C/HDL-C plus CHA₂DS₂-VASc score. Abbreviations: HDL-C = high-density lipoprotein cholesterol; LDL-C = low-density lipoprotein cholesterol