Table 1. Clinical, pathologic, and surgical characteristics of the 144 patients in the study population.
| Degenerative CSM (n = 102), n (%) | CSM from nondegenerative causes (n = 42), n (%) | p Value | |
|---|---|---|---|
| Age (y), mean | 64 | 60 | 0.13 |
| Sex | |||
| Female | 28 (28) | 20 (48) | 0.03 |
| Pathology | |||
| Tumor | – | 24 (57) | – |
| Infection | 12 (29) | ||
| Trauma | 5 (12) | ||
| Inflammatory | 1 (2) | ||
| Level | |||
| Cervical | 96 (94) | 19 (45) | <0.001 |
| Cervicothoracic | 1 (1) | 3 (7) | |
| Thoracic | 5 (5) | 20 (48) | |
| Abnormal T2 signal | |||
| Yes | 48 (51) | 22 (54) | 0.85 |
| Preoperative motor deficit | |||
| Yes | 57 (56) | 33 (83) | 0.002 |
| Surgical approach | |||
| Anterior | 25 (25) | 0 (0) | 0.001 |
| Posterior | 72 (71) | 37 (88) | |
| Anterior + posterior | 5 (5) | 5 (12) | |
| Instrumentation | |||
| Yes | 97 (95) | 27 (64) | <0.001 |
Abbreviation: CSM, cervicothoracic spondylotic myelopathy.