Ratio of 123I-metaiodobenzylguanidine uptake in the heart to that in the mediastinum in four subgroups of patients with Parkinson’s disease and in healthy control subjects
| Early image | Delayed image | |||
|---|---|---|---|---|
| Patient subgroup | Median | Range | Median | Range |
| *p < 0.005; | ||||
| **p < 0.0001 compared with controls. | ||||
| Older/severe | 1.30* ** | 1.10–1.76 | 1.17* ** | 0.90–1.76 |
| Older/mild | 1.40** | 1.12–2.60 | 1.27** | 1.03–1.93 |
| Younger/severe | 1.50** | 1.16–2.22 | 1.31** | 1.17–2.49 |
| Younger/mild | 1.63* ** | 1.27–2.45 | 1.42* ** | 1.09–2.34 |
| Controls | 2.26 | 1.92–2.77 | 2.19 | 1.93–2.55 |