Table 1.
Patient characteristics [data shown as mean (SD)]
| MRI+ (n = 39) | MRI- (n = 19) | |
|---|---|---|
| Age (years) | 42.1 (10.71) | 31.1 (8.84) |
| Age at disease onset (years) | 31.2 (9.09) | 20.3 (8.55) |
| Age at disease diagnosis (years) | 33.3 (10.02) | 20.4 (7.03) |
| Neuropsychiatric form (n) at diagnosis | 32 | 0 |
| Hepatic form (n) at diagnosis | 7 | 19 |
| Neurologic signs and symptoms at ophthalmological assessment (n) | 35 | 1 |
| Duration of disease (years) | 10.7 (9.95) | 11.1 (10.34) |
| WD treatment (DPA/ZS) | 26/13 | 6/13 |
SD standard deviation, n number of patients, MRI magnetic resonance image, MRI+ patients with pathological findings on MRI, MRI- patients without pathological findings on MRI, DPA-d penicillamine, ZS zinc sulphate