Characteristic | ILOS < 30 (n = 4716) | ILOS > 30 (n = 205) | P value |
---|---|---|---|
Age (in years) | 48.3 ± 23.4 (Median = 45.0) | 54.7 ± 21.6 (Median = 55.0) | <0.001* |
Age ≥ 65 years (%) | 1415/4716 (30) | 80/205 (39) | 0.006* |
Gender (% male) | 65.8 | 72.2 | 0.07 |
Mechanism of injury (% blunt) | 93.7 | 95.1 | 0.5 |
Injury severity score | 18.0 ± 11.2 (Median = 17.0) | 28.4 ± 13.1 (Median = 26.0) | <0.001* |
Glasgow coma score | 12.3 ± 4.6 (Median = 15.0) | 10.6 ± 5.3 (Median = 14.0) | <0.001* |
Pre-existing conditions (%) | |||
Dialysis | 0.5 | 0.5 | 1.0 |
Cardiac | 28.7 | 38.5 | 0.003* |
Renal | 0.8 | 2.4 | 0.049* |
Pulmonary | 7.4 | 13.2 | 0.003* |
Neurological | 9.0 | 6.8 | 0.4 |
Liver | 1.1 | 0.5 | 0.6 |
Warfarin use | 4.4 | 3.4 | 0.6 |
Diabetes | 10.1 | 18.0 | <0.001* |
Immunological | 0.2 | 0.5 | 0.8 |
Drug abuse | 5.5 | 4.9 | 0.8 |
Alcohol abuse | 9.4 | 11.2 | 0.5 |
Psychological | 10.3 | 8.8 | 0.6 |
Complications (%) | |||
Arrest | 0.8 | 7.3 | <0.001* |
Pneumonia | 5.2 | 54.1 | <0.001* |
Sepsis | 1.7 | 31.2 | <0.001* |
Urinary tract infection | 6.8 | 42.0 | <0.001* |
Deep vein thrombosis | 1.4 | 10.2 | <0.001* |
Pulmonary embolus | 0.6 | 2.9 | <0.001* |
Myocardial infarction | 1.1 | 5.4 | <0.001* |
Arrhythmia | 3.5 | 25.9 | <0.001* |
Empyema | 0.1 | 2.9 | <0.001* |
Acute respiratory distress syndrome | 2.1 | 43.4 | <0.001* |
Renal | 1.5 | 20.0 | <0.001* |
Gastrointestinal bleed | 0.7 | 9.3 | <0.001* |
Liver | 0.2 | 2.4 | <0.001* |
Respiratory | 6.9 | 45.9 | <0.001* |
Dialysis | 0.3 | 4.9 | <0.001* |
Mortality rate (%) | 12.1 | 12.2 | 1.0 |