Table 1.
Pre‐DaTscan Diagnosis | Total (N) | DaTscan Result | ||
---|---|---|---|---|
Abnormal N (%) | Normal N (%) | Indeterminate N (%) | ||
Neurodegenerative parkinsonism | 70 | 40 (57) | 30 (43) | 0 |
Non‐neurodegenerative parkinsonism | 46 | 16 (35) | 28 (65) | 2 (0.04) |
Psychogenic disorders (subanalysis of non‐neurodegenerative) | 15 | 7 (47) | 7 (47) | 1 (7) |
Essential/dystonic tremor | 14 | 3 (21) | 11 (79) | 0 |
Uncertain | 45 | 19 (42) | 26 (58) | 0 |