Table 3. Comparison of demographics between trauma nonsurvivors and survivors with spine injuries.
| Demographic and outcome variables | Nonsurvivors (n = 50) | Survivors (n = 915) | Odds ratio; 95% CI | p value |
|---|---|---|---|---|
| Age | ||||
| Mean (± SD) Elderly (≥65 y) |
62.6 (± 24.1) 30 (60%) |
50.3 (± 21.8) 258 (28.2%) |
– 3.82; 2.13–6.85 |
– < 0.01 |
| Sex | ||||
| Male Female Ratio |
40 (80%) 10 (20%) 4:1 |
620 (67.8%) 295 (32.2%) 2:1 |
1.9; 0.94–3.86 – – |
0.07 – – |
| Mechanism of injury | ||||
|
Motor vehicle occupants
Unprotected road users Low falls (< 1 m) High falls (> 1 m) Significant collision (non-road-related) Other causes |
30 (60%) 0 12 (24%) 5 (10%) 3 (6%) 0 |
405 (44.3%) 121 (13.2%) 138 (15.1%) 178 (19.5%) 61 (6.7%) 12 (1.2%) |
1.89; 1.06–3.38 – 1.78; 0.91–3.49 – – – |
0.03 – 0.09 – – - |
| ISS | ||||
| Median 25th/75th centile Severe (ISS > 15) |
30 17/43 40 (80%) |
14 9/22 420 (45.9%) |
14 9/22 4.71; 2.33–9.54 |
– – < 0.01 |
| Traumatic brain injury, yes | 28 (56%) | 139 (15.2%) | 7.11; 3.95–12.78 | < 0.01 |
| Mortality rate | 5.2% | – | – | |
Abbreviations: CI, confidence interval; ISS, Injury Severity Score.
Note: Variables in bold demonstrates trend (with statistical significance; p < 0.05) toward mortality.