Table 3

Treatment history

TMAFMAFM subtypes
Grey matterMixed matter
N39512321
First treatment
 Corticosteroids35 (90%)35 (69%)13 (57%)19 (90%)
  Median months from onset (P25, P75)0 (0, 0), n=310 (0, 0), n=310 (0, 0), n=120 (0, 0), n=16
  Received one additional treatment19 (54%)15 (43%)6 (46%)6 (32%)
   IVIG6 (32%)11 (73%)4 (67%)4 (67%)
   PLEX13 (68%)4 (27%)2 (33%)2 (33%)
  Received two additional treatments8 (23%)12 (34%)3 (23 %)9 (47%)
   Corticosteroids → PLEX2 (25%)000
   PLEX →PLEX1 (12%)000
   IVIG →PLEX1 (12%)5 (42%)2 (67%)3 (33%)
   PLEX →IVIG4 (50%)7 (58%)1 (33 %)6 (67%)
 IVIG3 (8%)15 (29%)10 (43%)2 (10%)
  Received one additional treatment05 (33%)3 (30%)1 (50%)
   IVIG01 (20%)1 (33%)0
   PLEX01 (20%)1 (33%)0
   Corticosteroids03 (60%)1 (33%)1 (100%)
  Received two additional treatments3 (100%)3 (20%)1 (10%)1 (50%)
   Unknown → corticosteroids1 (33%)000
   Corticosteroids →PLEX2 (67%)1 (33%)01 (100%)
   PLEX →IVIG01 (33%)1 (100%)0
   PLEX →corticosteroids01 (33%)00
  • AFM, acute flaccid myelitis; IVIG, intravenous immunoglobulin; PLEX, plasma exchange; TM, transverse myelitis.