Myocardial ¹²³I-MIBG Uptake and Cardiovascular Autonomic Function in Parkinson’s Disease

Figure 1

Systolic (a) and diastolic (b) blood pressure changes during the head-up tilt test, (c), low-frequency (LF) component (d), high-frequency (HF) component (e), and LF/HF ratio (f) in patients with Parkinson’s disease (PD) and healthy control subjects. The values of LF, HF, and the LF/HF ratio are presented as logarithmic transformations. Bars indicate means.