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Univariable tests versus 1-year survival
| Predictor | Test (df) | Test value | p-Value (two-sided) |
|---|---|---|---|
| Gender | χ2 (1) | 1.06 | 0.303 |
| Mechanism | χ2 (4) | 3.62 | 0.486 |
| Spinal region | χ2 (2) | 0.25 | 0.882 |
| GCS category | χ2 (2) | 0.38 | 0.828 |
| LOS (days) | Mann–Whitney z | -3.95 | < 0.001 |
| Hodges–Lehmann shift | – | + 20.5 days (95% CI + 11 to + 33) | – |
| Age ≥ 45 years | χ2 (1) | 1.23 | 0.268 |
| High-energy mechanism | χ2 (1) | 0.31 | 0.580 |
High-energy mechanism = all except low energy and assault
