Table 2.
Characteristics of the Elderly Patients with Cervical Fracture/Dislocation and SCI
| Overall (n = 1512) | BCVI - (n = 1459) | BCVI + (n = 53) | p Value | |
|---|---|---|---|---|
| ASIA | ||||
| A | 125 | 108 (7.4%) | 17 (32.1%) | <0.001 |
| B | 68 | 65 (4.5) | 3 (5.7) | n.s. |
| C | 336 | 330 (22.6) | 6 (11.3) | 0.052 |
| D | 518 | 510 (35.0) | 8 (11.3) | 0.028 |
| E | 465 | 446 (30.6) | 19 (35.8) | n.s. |
| Number of cervical fractures | 834 | 787 (53.9%) | 47 (88.7%) | <0.001 |
| Injury level (There is some overlap) | ||||
| C1 | 51 | 48 (3.3) | 3 (5.7) | n.s. |
| C2 | 315 | 303 (20.8) | 12 (22.6) | n.s. |
| C3-7 | 556 | 513 (35.2) | 43 (81.1) | <0.001 |
| Number of cervical dislocations | 228 | 206 (14.1%) | 22 (41.5%) | <0.001 |
| C1/2 | 20 | 18 (0.9) | 2 (3.8) | 0.153 |
| C2/3 | 9 | 8 (0.5) | 1 (1.9) | 0.275 |
| C3/4 | 8 | 7 (0.5) | 1 (1.9) | 0.249 |
| C4/5 | 29 | 23 (1.6) | 6 (11.3) | <0.001 |
| C5/6 | 62 | 54 (3.7) | 8 (15.1) | <0.001 |
| C6/7 | 69 | 65 (4.5) | 4 (7.5) | n.s. |
| C7/T1 | 11 | 11 (0.8) | 0 | n.s. |
| Type of SCI | ||||
| None | 457 | 440 (30.2%) | 17 (32.1%) | n.s. |
| Central cord syndrome | 542 | 534 (36.6) | 8 (15.1) | 0.001 |
| Tetraplegia | 511 | 485 (35.0) | 26 (49.1) | 0.017 |
| Unknown | 2 | 0 | 2 (3.8) | 0.001 |
The p values of differences between the BCVI + and - groups were calculated by χ2 test or Fisher's exact test, where appropriate.
SCI, spinal cord injury; BCVI, blunt cerebrovascular injury; ASIA, American Spinal Cord Injury Association; n.s., not significant