MR imaging characteristics in 91 critical and 88 noncritical spinal cord demyelinating lesions
| Critical Spinal Cord Demyelinating Lesion (n = 91) | Noncritical Spinal Cord Demyelinating Lesion (n = 88) | OR 95% CI | P Value | |
|---|---|---|---|---|
| Sagittal location (No.) (%) | ||||
| Cervical | 74 (81) | 63 (64) | ||
| Thoracic | 17 (19) | 25 (26) | ||
| Moderate/severe atrophy (No.) (%) | 41 (45) | 0 (0%) | 161.91 (9.43 to >999.9) | .0005 |
| Axial column location (No.) (%) | ||||
| Lateral | 86 (95) | 61 (62) | 10.43 (3.88–28.07) | <.0001 |
| Central | 62 (68) | 39 (40) | 3.23 (1.78–5.88) | .0001 |
| Ventral | 38 (42) | 19 (19) | 2.98 (1.55–5.72) | .001 |
| Dorsal | 21 (23) | 39 (40) | 0.45 (0.24–0.86) | .0145 |
| Axial column lateral involvement | <.0001 | |||
| Lateral with additional columns | 63 (69) | 34 (35) | ||
| Lateral only | 23 (25) | 27 (28) | ||
| No lateral involved | 5 (6) | 37 (38) | ||
| Median lesion size (mm) | ||||
| Axial A/P width | 4.1 | 3.3 | 2.01 (1.49–2.72) | <.0001 |
| Transverse axial (mm3) | 5.2 | 3.5 | 1.66 (1.36–2.01) | <.0001 |
| Area lesion | 14.0 | 7.6 | 1.14 (1.08–1.2) | <.0001 |
Note:—A/P indicates anterior-posterior.