Table 3.
Clinical presentations with number of patients of each type of presentation, percentage, number of relapses per patient, total number of relapses in category and average number of relapses in each category
| Presentation | Number of patients | Percentage | Number of relapses per patient | Total no. of relapses in category | Average no. of relapses |
|---|---|---|---|---|---|
| Unilateral ON | 12 | 40.0 | 22 | ||
| Single episode of unilateral optic neuritis (SUON) | 5 | 16.7 | 1, 1, 1, 1, 1 | 5 | 1 |
| Recurrent episodes of unilateral ON (RUON) | 7 | 23.3 | 2, 2, 2, 2, 2, 4, 3 | 17 | 2.4 |
| Bilateral (simultaneous/sequential) ON | 6 | 20.0 | 4, 1, 1, 1, 2, 1 | 10 | 1.7 |
| Simultaneous ON with myelitis | 1 | 3.3 | 1 | 1 | 1 |
| Longitudinally extensive transverse myelitis (LETM) | 6 | 20.0 | 1, 1, 2, 1, 1, 2 | 8 | 1.3 |
| Recurrent acute disseminated encephalomyelitis (ADEM) | 2 | 6.7 | 2, 2 | 4 | 2 |
| ADEM followed by ON | 2 | 6.7 | 2, 4 | 6 | 3 |
| Diencephalic Syndrome | 1 | 3.3 | 1 | 1 | 1 |
| Total | 30 | 100 | 52 |