Figure 1From: Insulin resistance and circadian rhythm of cardiac autonomic modulationMultivariable adjusted (Model 2) cosine periodic model estimates for log HF over the clock time at the population mean and one SD above the mean in log HOMA-IR. Abbreviations: Â, amplitude; HF, high frequency power; HOMA-IR, homeostasis model assessment of insulin resistance; log, logarithm; M, mean; SD, standard deviation; θ, acrophrase time.Back to article page