Variation of imaging patterns at relapse stratified by age greater or less than 9 years
| Relapse 1 | Relapse 2 | |||||
|---|---|---|---|---|---|---|
| Age ≤9 (n = 23) | Age >9 (n = 18) | P Value | Age <=9 (n = 13) | Age >9 (n = 15) | P Value | |
| Normal | 1/23 (4.3) | 4/18 (22.2) | .008 | 1/13 (7.7) | 2/15 (13.3) | .211 |
| ADEM-like | 8/23 (34.8) | 1/18 (5.6) | 8/13 (61.5) | 2/15 (13.3) | ||
| ON | 3/23 (13.0) | 2/18 (11.1) | 1/13 (7.7) | 2/15 (13.3) | ||
| Myelitis | 0 | 2/15 (13.3) | ||||
| ADEM-like + ON + myelitis | 2/23 (8.7) | 0 | 0 | 1/15 (6.7) | ||
| ADEM-like + ON | 7/23 (30.4) | 3/18 (16.7) | 2/13 (15.4) | 3/15 (20) | ||
| Myelitis + ON | 0 | 1/18 (5.6) | ||||
| ADEM-like + myelitis | 2/23 (8.7) | 2/18 (11.1) | 1/13 (7.7) | 1/15 (6.7) | ||
| Any FLAMES | 0 | 5/18 (27.8) | 0 | 2/15 (13.3) | ||