Research Article

A Comparative Assessment of Cardiovascular Autonomic Reflex Testing and Cardiac 123I-Metaiodobenzylguanidine Imaging in Patients with Type 1 Diabetes Mellitus without Complications or Cardiovascular Risk Factors

Figure 2

Box plots of age in patients divided according to a cutoff point of ratio of the heart to upper mediastinum count density at 4 hours postinjection (H/M_4) < 1.80 in cardiac 123I-metaiodobenzylguanidine scintigraphy.