TM | AFM | AFM subtypes | ||
Grey matter | Mixed matter | |||
N | 39 | 51 | 23 | 21 |
Mean months to MRI (SD) | 1.1 (3.5), n=35 | 0.27 (0.92), n=48 | 0.4 (1.3), n=21 | 0.2 (0.4), n=20 |
Median months to MRI (range) | 0 (−1 to 16), n=35 | 0 (0 to 6), n=48 | 0 (0 to 6), n=21 | 0 (0 to 1), n=20 |
Spinal Segment Where Lesion Present | ||||
C1 | 9 (24.3%), n=37 | 12 (24%), n=50 | 7 (30.4%), n=23 | 3 (14.3%), n=21 |
C2 | 15 (40.5%), n=37 | 25 (50%), n=50 | 11 (47,8%), n=23 | 9 (42.9%), n=21 |
C3 | 19 (51.4%), n=37 | 33 (66%), n=50 | 15 (65.2%), n=23 | 14 (66.7%), n=21 |
C4 | 16 (43.2%), n=37 | 34 (68%), n=50 | 15 (65.2%), n=23 | 15 (71.4%), n=21 |
C5 | 19 (51.4%), n=37 | 33 (66%), n=50 | 15 (65.2%), n=23 | 14 (66.7%), n=21 |
C6 | 19 (51.4%), n=37 | 29 (58%), n=50 | 12 (52.2%), n=23 | 13 (61.9%), n=21 |
C7 | 20 (54.1%), n=37 | 28 (56%), n=50 | 11 (47.8%), n=23 | 14 (66.7%), n=21 |
C8 | 17 (45.6%), n=37 | 19 (38%), n=50 | 8 (34.8%), n=23 | 8 (38.1%), n=21 |
T1 | 18 (48.7%), n=37 | 20 (40%), n=50 | 7 (30.4%), n=23 | 9 (42.9%), n=21 |
T2 | 15 (40.5%), n=37 | 13 (26%), n=50 | 5 (21.7%), n=23 | 5 (23.8%), n=21 |
T3 | 16 (43.2%), n=37 | 11 (22%), n=50 | 5 (21.7%), n=23 | 4 (19.1%), n=21 |
T4 | 16 (43.2%), n=37 | 11 (22%), n=50 | 5 (21.7%), n=23 | 4 (19.1%), n=21 |
T5 | 13 (35.1%), n=37 | 12 (24%), n=50 | 5 (21.7%), n=23 | 5 (23.8%), n=21 |
T6 | 14 (37.8%), n=37 | 12 (24%), n=50 | 5 (21.7%), n=23 | 5 (23.8%), n=21 |
T7 | 11 (29.7%), n=37 | 12 (24%), n=50 | 5 (21.7%), n=23 | 5 (23.8%), n=21 |
T8 | 8 (21.6%), n=37 | 12 (24%), n=50 | 5 (21.7%), n=23 | 5 (23.8%), n=21 |
T9 | 9 (24.3%), n=37 | 10 (20%), n=50 | 5 (21.7%), n=23 | 2 (9.5%), n=21 |
T10 | 8 (21.6%), n=37 | 17 (34%), n=50 | 9 (39.1%), n=23 | 5 (23.8%), n=21 |
T11 | 8 (21.6%), n=37 | 19 (38%), n=50 | 11 (47.8%), n=23 | 5 (23.8%), n=21 |
T12 | 8 (21.6%), n=37 | 16 (32%), n=50 | 9 (39.1%), n=23 | 4 (19.1%), n=21 |
L1 | 4 (10.8%), n=37 | 10 (20%), n=50 | 6 (26.1%), n=23 | 2 (9.5%), n=21 |
L2 | 1 (2.7%), n=37 | 5 (10%), n=50 | 3 (13.0%), n=23 | 0, n=21 |
L3 | 1 (2.7%), n=37 | 3 (6%), n=50 | 2 (8.7%), n=23 | 0, n=21 |
L4 | 1 (2.7%), n=37 | 3 (6%), n=50 | 2 (8.7%), n=23 | 0, n=21 |
L5 | 1 (2.7%), n=37 | 3 (6%), n=50 | 2 (8.7%), n=23 | 0, n=21 |
Lesion matter involvement | ||||
Grey matter | ||||
Cervical | 0, n=37 | 20 (44.4%), n=45 | 17 (73.9%), n=23 | 3 (14.3%), n=21 |
Thoracic | 1 (2.7%), n=37 | 16 (35.6%), n=45 | 13 (56.5%), n=23 | 3 (14.3%), n=21 |
Lumbar | 0, n=37 | 5 (11.1%), n=45 | 5 (21.7%), n=23 | 0, n=21 |
White matter | ||||
Cervical | 8 (21.6%), n=37 | 2 (4.4%), n=45 | 0, n=23 | 1 (4.8%), n=21 |
Thoracic | 8 (21.6%), n=37 | 1 (2.2%), n=45 | 0, n=23 | 0, n=21 |
Lumbar | 1 (2.7%), n=37 | 0, n=45 | 0, n=23 | 0, n=21 |
Mixed Matter | ||||
Cervical | 13 (32.4%), n=37 | 15 (33.3%), n=45 | 0, n=23 | 15 (71.4%), n=21 |
Thoracic | 17 (45.6%), n=37 | 12 (26.7%), n=45 | 0, n=23 | 12 (57.1%), n=21 |
Lumbar | 0, n=37 | 2 (4.4%), n=45 | 0, n=23 | 2 (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.