| GI | GII | GIII | GIV | GV |
| |||||
Classification | f | % | f | % | f | % | f | % | f | % | p-value |
Dysgraphia | 8 | 80 | 0 | 0 | 1 | 10 | 2 | 20 | 6 | 60 | <0.001* |
Non-dysgraphia | 2 | 20 | 10 | 100 | 9 | 90 | 8 | 80 | 4 | 40 |
|