Fig. 1

Association of insulin resistance indexes with low SDNN in adults without diabetes. Abbreviations: HOMA-IR, homeostatic model assessment of insulin resistance; TyG, triglyceride and glucose index; TG/HDL-C, triglyceride to high-density lipoprotein cholesterol ratio; SDNN, standard deviation of normal-to-normal R-R intervals. Comments: HOMA-IR quartiles are equal to: [0.20, 1.73], [1.74, 2.78], [2.79, 4.34], and [4.35, 16.88]. TyG quartiles are equal to: [7.25, 8.24], [8.25, 8.54], [8.55, 8.81], and [8.82, 9.93]. TG/HDL-C quartiles are equal to: [0.45, 1.29], [1.30, 1.95], [1.96, 2.74], and [2.75, 9.30]. Low SDNN (<25th percentile) is equal to < 97 ms. Estimates are adjusted for age at ancillary visit, sex, and race/study-site