From: 5th National Congress of the Italian Society of Physiotherapy
 | Class 1 | Class 2 | Class 3 | No TTB |
---|---|---|---|---|
(N° 10) | (N° 6) | (N° 7) | (N° 50) | |
Absence of language | 70% | 66,6% | 71,4% | 46% |
Single words | 30% | 44,4% | 14,3% | 36% |
Simple sentences | 0% | 0% | 14,3% | 12% |
Fluent | 0% | 0% | 0% | 6% |