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Table 2 Patient characteristics
| Number of patients | ||||||
|---|---|---|---|---|---|---|
| 2009 | 2010 | 2011 | 2012 | Total | ||
| Age group (years) | 0-14 | 22 | 24 | 18 | 18 | 82 |
| 15-29 | 117 | 143 | 138 | 129 | 527 | |
| 30-44 | 127 | 140 | 142 | 123 | 532 | |
| 45-59 | 159 | 205 | 145 | 188 | 697 | |
| 60-74 | 153 | 166 | 166 | 180 | 665 | |
| 75-89 | 152 | 120 | 149 | 174 | 595 | |
| ≥90 | 24 | 36 | 42 | 48 | 150 | |
| Total all ages (male) | 754 (518) | 834 (570) | 800 (565) | 860 (585) | 3 248 (2 238) | |
| Injury type | Cervical spine fractures | 687 | 754 | 732 | 790 | 2963 |
| Severe non-fracture cervical spine injuries | 67 | 80 | 68 | 70 | 285 | |
| Cervical spinal cord injuries | 100 | 106 | 110 | 98 | 414 | |
| Treatment | Open surgery | 140 | 146 | 160 | 153 | 599 |
| External fixation with halo vest only | 12 | 8 | 5 | 4 | 29 | |
| No open surgery or halo vest | 602 | 680 | 635 | 703 | 2 620 | |
