Table 4. Subanalysis of Patients Who Received REBOA.
| Variable | Patients, No. (%) | P Value | |
|---|---|---|---|
| Survived (n = 90) | Died (n = 50) | ||
| Age, mean (SD), y | 42 (19) | 48.2 (19) | .12 |
| Male sex | 57 (63.3) | 32 (64.0) | .20 |
| Vital signs in the ED | |||
| SBP, mean (SD), mm Hg | 114 (32) | 98 (31) | .006 |
| HR, mean (SD), bpm | 99.0 (27.0) | 109.4 (25.0) | .02 |
| GCS score, median (IQR) | 15 (13-15) | 3 (3-13) | .04 |
| Injury parameters | |||
| Blunt MOI | 82 (91.1) | 47 (94.0) | .54 |
| ISS, median (IQR) | 27 (17-34) | 38 (26-50) | .043 |
| h-AIS, median (IQR) | 0 (0-2) | 2 (0-4) | .002 |
| Injuries | |||
| Pelvic fractures | 48 (53.3) | 26 (52.0) | .14 |
| Liver injuries | 22 (24.4) | 21 (42.0) | .04 |
| Splenic injuries | 32 (35.6) | 14 (28.0) | .39 |
| Kidney injuries | 16 (17.8) | 5 (10.0) | .23 |
| Lower limb fractures | 29 (32.2) | 11 (22.0) | .65 |
| Vascular injuries | 26 (28.9) | 14 (28.0) | .11 |
| Transfusion requirements, median (IQR), U | |||
| PRBCs | |||
| 4 h | 0 (0-5) | 12 (7-19) | <.001 |
| 24 h | 1 (1-6) | 14 (9-22) | <.001 |
| Platelets | |||
| 4 h | 0 (0-1) | 2 (1-3) | <.001 |
| 24 h | 1 (0-2) | 3 (2-6) | <.001 |
| Plasma | |||
| 4 h | 0 (0-3) | 9 (4-15) | <.001 |
| 24 h | 1 (1-5) | 13 (6-20) | <.001 |
Abbreviations: ED, emergency department; GCS, Glasgow Coma Scale; h-AIS, head Abbreviated Injury Scale; HR, heart rate; IQR, interquartile range; ISS, Injury Severity Score; MOI, mechanism of injury; PRBCs, packed red blood cells; REBOA, resuscitative endovascular balloon occlusion of the aorta; SBP, systolic blood pressure.