Table 1
Demographic and Clinical Features of ET Cases
| Case 1 | Case 2 | Case 3 | Case 4 | Case 5 | Case 6 | Case 7 | |
|---|---|---|---|---|---|---|---|
| Age (years) | 52 | 54 | 67 | 41 | 73 | 67 | 51 |
| Gender | F | F | F | F | F | F | F |
| Hand dominance | L | R | R | R | R | R | L |
| Proband’s age of tremor onset | 11 | Unknown | 16 | 15 | 53 | 7 | 7 |
| Number of affected first‐degree relatives | 2 | 1 | 4 | 1 | 2 | 2 | 2 |
| Voice tremor1 | No | No | No | No | No | Yes | No |
| Jaw tremor1 | No | No | No | No | No | No | No |
| Tremor rating on R extension1 | 0 | 0 | 0 | 0.5 | 0 | 0.5 | 0 |
| Tremor rating on L Extension1 | 0 | 0 | 0 | 0.5 | 0 | 0.5 | 0 |
| Tremor rating on R pouring1 | 0.5 | 0 | 0 | 1 | 0.5 | 0.5 | 1 |
| Tremor rating on L pouring1 | 0.5 | 0 | 0 | 0 | 0.5 | 0 | 1 |
| Tremor rating on R using spoon1 | 0.5 | 0.5 | 1 | 1 | 0 | 1 | 0.5 |
| Tremor rating on L using spoon1 | 1 | 1.5 | 1 | 1.5 | 1.5 | 0.5 | 0.5 |
| Tremor rating on R drinking1 | 0.5 | 1 | 0 | 1 | 1.5 | 0.5 | 0.5 |
| Tremor rating on L drinking1 | 0.5 | 0 | 0.5 | 1 | 1.5 | 0.5 | 1 |
| Tremor rating on R FNF1 | 1 | 1.5 | 0.5 | 1 | 0.5 | 1 | 1 |
| Tremor rating on L FNF1 | 0.5 | 1.5 | 1 | 1.5 | 0.5 | 1.5 | 1 |
| Tremor rating on R drawing1 | 0.5 | 1 | 0 | 1.5 | 1 | 1 | 1.5 |
| Tremor rating on L drawing1 | 1 | 1 | 1 | 1.5 | 0.5 | 1 | 1 |
| Total tremor score | 6.5 | 8 | 5 | 12 | 8 | 8.5 | 9 |
