| Dominant hand | Studied hand | |||
| Left and right | left | right | Total | |
| both | 1 | 0 | 0 | 1 |
| left | 0 | 5 | 12 | 17 |
| right | 2 | 112 | 159 | 273 |
| Total | 3 | 117 | 171 | 291 |