Clinical and demographic details on patients with age at onset over 40 and under 40 in 1996 epidemiological study and in whom EDSS was calculated
| Clinical/demographic details | Age of onset >40 | Age of onset <40 |
|---|---|---|
| No of patients | 58 | 201 |
| Women (n (%)) | 35 (60.3) | 144 (71.6) |
| Men (n (%)) | 23 (39.7) | 57 (28.4) |
| Age at assessment (mean (SD)) | 60.8 (9.6) | 46.3 (12.3) |
| Age at onset (mean (SD)) | 46.2 (5.9) | 27.1 (6.7) |
| Disease duration (mean (SD)) | 14.6 (8.9) | 19.4 (11.5) |
| Mean EDSS | 5.7 | 4.7 |
| Median EDSS | 6.0 | 5.0 |
| Following benign course (n) | 1 | 35 |
| Following progressive course from onset (n (%)) | 21 (36.2) | 11 (5.5) |