Figure 4.

SDNN values in insulin resistant groups and controls. SDNN: standard deviation of all sinus rhythm RR intervals ms, NGR: normal glucose tolerance, IFG: impaired fasting glycemia, IGT: impaired glucose tolerance, DM: type 2 diabetes. NGR, IFG, IGT, DM vs. control: p < 0.001, NGR, IFG vs. DM: p < 0.001, IGT vs. DM: p: 0.202.