Raphe echogenity scores | |||
---|---|---|---|
1 | 2 | 3 | |
Depressed PD patients (n) | 8 | 4 | 1 |
Non-depressed PD patients (n) | 1 | 6 | 10 |
Control subjects (n) | 1 | 12 | 17 |
Score 1=raphe not visible/isoechogenic raphe compared with adjacent brainstem parenchyma; score 2=slightly reduced raphe echogenicity; score 3=normal raphe echogenicity (identical with red nucleus).