Table 3.
Patient characteristics based on survival
| Variables | Survived (N=380) | Did not survive (N=36) | P value |
| Mean age (matched) | 86.2 (±7.2) | 87.5 (±6.5) | 0.29* |
| Sex=female (matched) | 203 (53.4%) | 11 (30.6) | 0.009 |
| Mechanism of injury | 0.15 | ||
| Ground level fall | 223 (58.7%) | 15 (41.7%) | |
| Fall from height | 100 (26.3%) | 11 (30.6%) | |
| MVC/Pedestrian struck | 47 (12.4%) | 8 (22.2) | |
| Others | 10 (2.6%) | 2 (5.6%) | |
| Mean ISS (matched) | 9.6 (±6.5) | 20.8 (±12.1) | <0.0001* |
| Mean RTS | 7.73 (±0.5) | 7.0 (±1.5) | <0.0001* |
| Hospital LOS | 5.0±5.1 | 8.3±10.7 | 0.30* |
| ICU LOS | 3.3±3.0 | 5.3±5.6 | 0.42* |
| SICU admission | 246 (64.7%) | 33 (91.7%) | 0.001 |
| Operative intervention | 105 (27.6%) | 12 (33.3%) | 0.50 |
| Mean Charlson CI | 5.23 (±1.6) | 6.0 (±1.6) | 0.002 |
| HFrEF | 40 (10.5%) | 7 (19.4%) | 0.11 |
| HFpEF | 37 (9.7%) | 7 (19.4%) | 0.07 |
| Hypertension | 293 (77.1%) | 22 (61.1%) | 0.03 |
| CAD | 145 (38.2%) | 17 (47.2%) | 0.29 |
| Acute MI | 32 (8.4%) | 5 (13.9%) | 0.27 |
| Diabetes mellitus | 79 (20.8%) | 7 (19.4%) | 0.85 |
| CKD | 24 (6.3%) | 6 (16.7%) | 0.02 |
| CVA | 51 (13.4%) | 7 (19.4%) | 0.32 |
| Hyperlipidemia | 165 (43.4%) | 7 (19.4%) | 0.005 |
| Atrial fibrillation | 153 (40.3%) | 19 (52.8%) | 0.15 |
| Antithrombotics | 121 (31.8%) | 13 (36.1%) | 0.60 |
*Wilcoxon rank sum test; means shown for illustrative purposes only.
CI, Comorbidity Index; CKD, chronic kidney disease; DNR/DNI, do not resuscitate/do not intubate; HRpEF, Heart failure with reduced ejection fraction; pRBC, packed red blood cell; RTS, Revised trauma.