Demographic data of multiple sclerosis patients ascertained in each region of Ireland on 31 December 2007
| Donegal | Wexford | South Dublin | Overall | |
| Mean age (years) | 46.7 | 47.9 | 49.5 | 48.0 |
| Range | (21–80) | (20–75) | (27–89) | (20–89) |
| F:M ratio | 2.1:1 | 1.5:1 | 2.6:1 | 2.0:1 |
| MS duration (years) | 15.3 | 14.9 | 17.2 | 15.8 |
| Range | (1–54) | (2–49) | (1–53) | (1–54) |
| Relapsing remitting MS (%) | 53.3 | 47.0 | 53.1 | 51.1 |
| Secondary progressive MS (%) | 37.6 | 43.2 | 39.2 | 39.7 |
| Primary progressive MS (%) | 9.1 | 9.8 | 7.7 | 9.2 |
| Mean age MS onset (years) | 31.6 | 32.5 | 32.8 | 32.3 |
| Range | (8–64) | (14–54) | (16–61) | (8–64) |
| Mean EDSS | 3.6 | 3.9 | 3.6 | 3.7 |
| Range | (0–9) | (0–9) | (0–9) | (0–9) |
MS, multiple sclerosis; EDSS, Expanded Disability Status Scale.