Table 2

MRI results by diagnosis; cells without sample sizes denote results obtained from all patients in the given cohort

TMAFMAFM subtypes
Grey matterMixed matter
N39512321
Mean months to MRI (SD)1.1 (3.5), n=350.27 (0.92), n=480.4 (1.3), n=210.2 (0.4), n=20
Median months to MRI (range)0 (−1 to 16), n=350 (0 to 6), n=480 (0 to 6), n=210 (0 to 1), n=20
Spinal Segment Where Lesion Present
 C19 (24.3%), n=3712 (24%), n=507 (30.4%), n=233 (14.3%), n=21
 C215 (40.5%), n=3725 (50%), n=5011 (47,8%), n=239 (42.9%), n=21
 C319 (51.4%), n=3733 (66%), n=5015 (65.2%), n=2314 (66.7%), n=21
 C416 (43.2%), n=3734 (68%), n=5015 (65.2%), n=2315 (71.4%), n=21
 C519 (51.4%), n=3733 (66%), n=5015 (65.2%), n=2314 (66.7%), n=21
 C619 (51.4%), n=3729 (58%), n=5012 (52.2%), n=2313 (61.9%), n=21
 C720 (54.1%), n=3728 (56%), n=5011 (47.8%), n=2314 (66.7%), n=21
 C817 (45.6%), n=3719 (38%), n=508 (34.8%), n=238 (38.1%), n=21
 T118 (48.7%), n=3720 (40%), n=507 (30.4%), n=239 (42.9%), n=21
 T215 (40.5%), n=3713 (26%), n=505 (21.7%), n=235 (23.8%), n=21
 T316 (43.2%), n=3711 (22%), n=505 (21.7%), n=234 (19.1%), n=21
 T416 (43.2%), n=3711 (22%), n=505 (21.7%), n=234 (19.1%), n=21
 T513 (35.1%), n=3712 (24%), n=505 (21.7%), n=235 (23.8%), n=21
 T614 (37.8%), n=3712 (24%), n=505 (21.7%), n=235 (23.8%), n=21
 T711 (29.7%), n=3712 (24%), n=505 (21.7%), n=235 (23.8%), n=21
 T88 (21.6%), n=3712 (24%), n=505 (21.7%), n=235 (23.8%), n=21
 T99 (24.3%), n=3710 (20%), n=505 (21.7%), n=232 (9.5%), n=21
 T108 (21.6%), n=3717 (34%), n=509 (39.1%), n=235 (23.8%), n=21
 T118 (21.6%), n=3719 (38%), n=5011 (47.8%), n=235 (23.8%), n=21
 T128 (21.6%), n=3716 (32%), n=509 (39.1%), n=234 (19.1%), n=21
 L14 (10.8%), n=3710 (20%), n=506 (26.1%), n=232 (9.5%), n=21
 L21 (2.7%), n=375 (10%), n=503 (13.0%), n=230, n=21
 L31 (2.7%), n=373 (6%), n=502 (8.7%), n=230, n=21
 L41 (2.7%), n=373 (6%), n=502 (8.7%), n=230, n=21
 L51 (2.7%), n=373 (6%), n=502 (8.7%), n=230, n=21
Lesion matter involvement
 Grey matter
  Cervical0, n=3720 (44.4%), n=4517 (73.9%), n=233 (14.3%), n=21
  Thoracic1 (2.7%), n=3716 (35.6%), n=4513 (56.5%), n=233 (14.3%), n=21
  Lumbar0, n=375 (11.1%), n=455 (21.7%), n=230, n=21
 White matter
  Cervical8 (21.6%), n=372 (4.4%), n=450, n=231 (4.8%), n=21
  Thoracic8 (21.6%), n=371 (2.2%), n=450, n=230, n=21
  Lumbar1 (2.7%), n=370, n=450, n=230, n=21
 Mixed Matter
  Cervical13 (32.4%), n=3715 (33.3%), n=450, n=2315 (71.4%), n=21
  Thoracic17 (45.6%), n=3712 (26.7%), n=450, n=2312 (57.1%), n=21
  Lumbar0, n=372 (4.4%), n=450, n=232 (9.5%), n=21
  • Lesion matter involvement denotes the number of patients whose lesions in the cervical, thoracic or lumbar segment of the spine occupied grey matter only, white matter only or grey and white matter (mixed matter).

  • AFM, acute flaccid myelitis; TM, transverse myelitis.