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Demographic characteristics of the MS study population
| Age at onset < 18 year (EOMS) | Age at onset ≥ 50 year (LOMS) | |
|---|---|---|
| Number of patients | 629 | 1148 |
| Mean age at onset, years (SD) | 15.5 (2.2) | 55.5 (4.7) |
| Mean calendar year of birth (SD) | 1974 (16.9) | 1946 (8.1) |
| Mean calendar year at onset (SD) | 1990 (16.8) | 2002 (7.2) |
| Number of females (%) | 453 (72.0) | 774 (67.4) |
EOMS early -onset multiple sclerosis, LOMS late-onset multiple sclerosis, SD standard deviation
