Table 1.
Patient characteristics (n = 303)
| N (%) | |
|---|---|
| Sex | |
| Male | 225 (74) |
| Female | 78 (26) |
| Age (years) | |
| ≤19 | 24 (8) |
| 20–39 | 88 (29) |
| 40–59 | 96 (32) |
| 60–79 | 67 (22) |
| ≥80 | 28 (9) |
| Injury mechanism | |
| Falls | 156 (51) |
| Motorized vehicle accident | 86 (28) |
| Pedal cyclist injured in transportation accidents | 19 (6) |
| Pedestrian injured in transportation | 6 (2) |
| Assault | 5 (2) |
| Diving | 14 (5) |
| Others | 17 (6) |
| Head injury severity scale | |
| None | 42 (14) |
| Minimal | 119 (39) |
| Mild | 106 (35) |
| Moderate | 22 (7) |
| Severe | 14 (5) |
| ASIA impairment scale preoperatively | |
| A (complete) | 45 (15) |
| B (incomplete; sensory but no motor function below neurological level, including sacral segments) | 17 (6) |
| C (incomplete; motor function preserved below neurological level with more than half of the key muscles graded <3/5) | 16 (5) |
| D (incomplete; motor function preserved below neurological level with more than half of the key muscles graded ≥3/5) | 51 (17) |
| E (normal) | 159 (52) |
| Not possible to grade due to head injury/multitrauma | 15 (5) |
| Type of surgery | |
| ACDF with anterior plating | 155 (51) |
| Corpectomy with autologous iliac crest graft and anterior plating | 54 (18) |
| Posterior fusion with wiring technique | 42 (14) |
| Posterior fusion with lateral mass screws | 24 (8) |
| Combined anterior-posterior fusion (360° fusion) | 28 (9) |
| SLIC points at time of first surgery | |
| 1 | 0 |
| 2 | 8 (2.6) |
| 3 | 15 (5.0) |
| 4 | 32 (10.6) |
| 5 | 43 (14.2) |
| 6 | 58 (19.2) |
| 7 | 50 (16.5) |
| 8 | 31 (10.2) |
| 9 | 38 (12.5) |
| 10 | 28 (9.2) |