The clinical features of patients with pediatric-onset NMOSD vs ADEM
| Characteristics | NMOSD | ADEM |
|---|---|---|
| F/M ratio | 7:3 | 2:8 |
| Mean age at initial manifestation (yr) | 10.3 ± 5.6 | 8.7 ± 5.3 |
| Involvement at initial manifestation n (%) | ||
| Brain | 4 (40%) | 5 (50%) |
| Brain + spinal cord | 2 (20%) | 5 (50%) |
| Brain + optic nerve | 2 (20%) | 0 |
| Brain + spinal cord + optic nerve | 2 (20%) | 0 |
| Mean follow-up time (yr) | 5.1 | 3.4 |