Components of the functional scoring system
| Mobility | 3 | Normal |
| 2 | Impaired | |
| 1 | Fully dependent | |
| Communication | 4 | Normal |
| 3 | Impaired | |
| 2 | Very limited (e.g. “yes/no”) communication | |
| 1 | Absent | |
| Mood, behaviour, personality | 2 | Normal |
| 1 | Problems arising | |
| Disinhibition | 2 | Absent |
| 1 | Present | |
| Danger awareness | 2 | Aware |
| 1 | Unaware | |
| Self care | 3 | Age appropriate independence |
| 2 | Needs assistance, task modification, or prompts | |
| 1 | Fully dependent | |
| Cognition, memory, and concentration | 3 | Normal |
| 2 | Minor problems | |
| 1 | Marked problems |