Final diagnoses divided to the results of TCS
| SN | IPD number | MSA number | PSP number | LBD number | CBD number | VP number | ET number | DIP number | No parkinsonism number | Total number |
|---|---|---|---|---|---|---|---|---|---|---|
| SN– (%) | 61 (60) | 4 (50) | 2 (33) | 3 (50) | 2 (50) | 12 (57) | 13 (65) | 5 (71) | 16 (73) | 118 (60) |
| SN+ (%) | 41 (40) | 4 (50) | 4 (67) | 3 (50) | 2 (50) | 9 (43) | 7 (35) | 2 (29) | 6 (27) | 78 (40) |
| Total | 102 | 8 | 6 | 6 | 4 | 21 | 20 | 7 | 22 | 196 |
DIP, drug induced parkinsonism; ET, essential tremor; IPD, Parkinson's disease; MSA, multisystem atrophy; PSP, progressive supranuclear palsy; SN, substantia nigra; SN−, no presence of hyperechogenic SN 0.20 cm2 or more; SN+, presence of hyperechogenic SN 0.20 cm2 or more; TCS, transcranial sonography;VP, vascular parkinsonism.