Table 2.
Univariate and multivariate regression analyses
| OR (95% CI) | ||||
|---|---|---|---|---|
| Fractures/dislocations (n = 24,000) | Cord injury (n = 4,489) | |||
| Univariate | Multivariate | Univariatea | Multivariatea | |
| Age (years) | ||||
| 16–24 | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| 25–34 | 1.00 (0.96–1.05) | 1.02 (0.97–1.08) | 0.97 (0.88–1.07) | 0.98 (0.87–1.09) |
| 35–44 | 1.04 (0.99–1.09) | 1.03 (0.97–1.09) | 1.05 (0.95–1.15) | 1.08 (0.96–1.21) |
| 45–54 | 0.96 (0.92–1.01) | 0.90 (0.85–0.96) | 0.86 (0.77–0.95) | 0.90 (0.79–1.01) |
| 55–64 | 0.79 (0.75–0.83) | 0.83 (0.78–0.89) | 0.67 (0.60–0.75) | 0.81 (0.71–0.93) |
| 65–74 | 0.91 (0.86–0.96) | 0.90 (0.84–0.96) | 0.65 (0.57–0.73) | 0.78 (0.67–0.91) |
| 75 and older | 0.93 (0.89–0.97) | 0.94 (0.88–1.00) | 0.47 (0.42–0.53) | 0.60 (0.52–0.70) |
| Gender | ||||
| Male | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| Female | 0.86 (0.83–0.88) | 1.01 (0.98–1.05) | 0.54 (0.51–0.58) | 0.78 (0.72–0.85) |
| GCS | ||||
| 3–8 | 0.95 (0.89–1.01) | 1.10 (1.02–1.19) | 1.62 (1.44–1.82) | 1.93 (1.66–2.23) |
| 9–12 | 0.79 (0.72–0.87) | 0.76 (0.68–0.85) | 1.51 (1.26–1.80) | 1.57 (1.30–1.89) |
| 13–14 | 1.07 (1.01–1.13) | 0.98 (0.92–1.05) | 1.44 (1.28–1.62) | 1.36 (1.20–1.54) |
| 15 | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| Injury mechanism | ||||
| RTC | 1.98 (1.92–2.05) | 1.91 (1.83–2.00) | 3.15 (2.88–3.43) | 2.20 (1.96–2.46) |
| Fall >2 m | 4.66 (4.49–4.84) | 4.17 (3.98–4.37) | 5.66 (5.16–6.20) | 3.60 (3.21–4.04) |
| Fall <2 m | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| Shooting | 0.46 (0.31–0.67) | 0.29 (0.19–0.44) | 3.82 (2.59–5.64) | 1.91 (1.21–3.00) |
| Stabbing | 0.09 (0.06–0.14) | 0.04 (0.03–0.06) | 1.48 (1.10–1.99) | 0.48 (0.34–0.67) |
| Other | 0.73 (0.69–0.78) | 0.50 (0.46–0.53) | 1.49 (1.32–1.68) | 0.83 (0.71–0.96) |
| Sports | 3.55 (3.17–3.98) | 2.79 (2.41–3.23) | 7.89 (6.48–9.60) | 3.98 (3.04–5.21) |
| Body region | ||||
| Head | 0.74 (0.71–0.77) | 0.29 (0.27–0.31) | 0.85 (0.78–0.93) | 0.29 (0.25–0.33) |
| Chest | 1.37 (1.33–1.42) | 0.76 (0.73–0.80) | 1.94 (1.81–2.08) | 1.10 (1.01–1.20) |
| Abdomen | 1.03 (0.97–1.10) | 0.66 (0.61–0.71) | 1.24 (1.09–1.40) | 0.65 (0.56–0.76) |
| Extremities | 0.20 (0.19–0.20) | 0.13 (0.13–0.13) | 0.20 (0.18–0.21) | 0.17 (0.15–0.18) |
| Pelvis | 1.44 (1.33–1.55) | 0.83 (0.76–0.92) | 1.22 (1.02–1.45) | 0.81 (0.66–1.00) |
RTC road traffic collision
aAfter imputation for missing GCS