Table 2. Postmatch Demographics and Injury Parameters of the 2 Groups.
| Variables | Patients, No. (%) | P Value | |
|---|---|---|---|
| No-REBOA Group (n = 280) | REBOA Group (n = 140) | ||
| Age, mean (SD), y | 43 (19) | 44 (20) | .88 |
| Male sex | 203 (72.5) | 104 (74.3) | .76 |
| White race | 180 (64.3) | 89 (63.6) | .37 |
| Vital signs in the ED | |||
| SBP, mean (SD), mm Hg | 106.5 (28.7) | 108.8 (32.7) | .65 |
| HR, mean (SD), bpm | 104 (27) | 102 (30) | .74 |
| GCS score, median (IQR) | 13 (3-15) | 14 (3-15) | .88 |
| Injury parameters | |||
| Blunt MOI | 257 (91.8) | 129 (92.1) | .87 |
| ISS, median (IQR) | 28 (17-35) | 29 (18-38) | .91 |
| h-AIS score, median (IQR) | 0 (0-3) | 0 (0-3) | .98 |
| Pelvic fractures, total | 144 (51.4) | 74 (52.9) | .65 |
| With intact posterior arch | 45 (16.1) | 25 (17.9) | |
| Incompletely disrupted posterior arch | 68 (24.3) | 33 (23.6) | |
| Completely disrupted posterior arch | 31 (11.1) | 16 (11.4) | |
| Liver injuries, total | 89 (31.8) | 43 (30.7) | .79 |
| Grades I-III | 76 (27.1) | 37 (26.4) | |
| Grades IV-VI | 13 (4.6) | 6 (4.3) | |
| Splenic injuries, total | 90 (32.1) | 47 (33.6) | .81 |
| Grades I-III | 67 (23.9) | 36 (25.7) | |
| Grades IV-V | 22 (7.9) | 11 (7.9) | |
| Kidney injuries, total | 39 (13.9) | 22 (15.7) | .82 |
| Grades I-III | 35 (12.5) | 19 (13.6) | |
| Grades IV-V | 5 (1.8) | 3 (2.1) | |
| Lower limb fractures, total | 78 (27.9) | 41 (29.3) | .69 |
| Femur | 48 (17.1) | 27 (19.3) | |
| Tibia | 45 (16.1) | 20 (14.3) | |
| Fibula | 32 (11.4) | 21 (15.0) | |
| Vascular injuries, total | 76 (27.1) | 41 (29.3) | .11 |
| Iliac | 53 (18.9) | 29 (20.7) | |
| Lower extremity | 20 (7.1) | 11 (7.9) | |
| Other | 11 (3.9) | 38 (27.1) | |
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; REBOA, resuscitative endovascular balloon occlusion of the aorta; SBP, systolic blood pressure.