Level of intellectual decline by patient group
| Variant CJD, n = 10 | Sporadic CJD, n = 4 | Inherited prion disease, n = 16 | |
|---|---|---|---|
| Mild decline: NART–FIQ = 10; moderate decline: NART–FIQ = 11 to 20; severe decline: NART–FIQ >20. | |||
| VIQ | |||
| None | – | 1 | 2 |
| Mild decline | 1 | – | 1 |
| Moderate decline | 2 | – | 3 |
| Severe decline | 7 | 3 | 10 |
| PIQ | |||
| None | – | 1 | 1 |
| Mild decline | – | – | – |
| Moderate decline | – | – | 2 |
| Severe decline | 10 | 3 | 13 |
| FIQ | |||
| None | – | 1 | 1 |
| Mild decline | – | – | – |
| Moderate decline | – | – | 2 |
| Severe decline | 10 | 3 | 13 |