Table 2. Number of patients according to Feldman, Bozzetti, Elias and NCI-CTCAE v.3 morbidity classification systems.
| Feldman | Bozzetti | Elias | NCI-CTCAE v.3 | |
| Grade 0 | 10 | 10 | ||
| Grade 1 | 13 | 10 | 4 | 7 |
| Grade 2 | 32 | 35 | 31 | 21 |
| Grade 3 | 8 | 8 | 2 | 7 |
| Grade 4 | 7 | 7 | 6 | 8 |
| Grade 5 | 7 | 7 |