Patient and injury characteristics
| All patients (N=38) | Target zone 1 (n=30) | Target zone 3 (n=8) | P value | |
| Sex (male), n (%) | 27 (71.1) | 20 (66.7) | 7 (87.5) | 0.395 |
| Age (years) (IQR) | 42 (25–55) | 46 (23–60) | 33 (25–43) | 0.235 |
| Mechanism of injury | ||||
| Blunt, n (%) | 35 (92.1) | 27 (90.0) | 8 (100) | 1.000 |
| Vital signs on hospital arrival | ||||
| Heart rate, beats/min (IQR) | 111 (45–132) | 101 (0–132) | 121 (115–136) | 0.059 |
| SBP, mm Hg (IQR) | 72 (40–95) | 70 (40–96) | 77 (47–94) | 0.589 |
| GCS scores (IQR) | 7 (3–14) | 5 (3–14) | 9 (6–14) | 0.183 |
| ISS (IQR) | 34 (23–45) | 33 (18–49) | 40 (33–43) | 0.661 |
| DOA, n (%) | 6 (15.8) | 6 (20.0) | 0 (0) | 0.309 |
| Main bleeding source | ||||
| Chest, n (%) | 3 (7.9) | 3 (10.0) | 0 (0) | 0.001 |
| Abdominal, n (%) | 17 (44.7) | 17 (56.7) | 0 (0) | |
| Pelvis, n (%) | 14 (36.8) | 6 (20.0) | 8 (100.0) | |
| Others, n (%) | 4 (10.5) | 4 (13.3) | 0 (0) | |
| Switch from resuscitative thoracotomy, n (%) | 9 (23.7) | 9 (30.0) | 0 (0) | 0.159 |
| REBOA catheter size | ||||
| 10 Fr sheath, n (%) | 20 (52.6) | 15 (50.0) | 5 (62.5) | 0.697 |
| 7 Fr sheath, n (%) | 18 (47.4) | 15 (50.0) | 3 (37.5) | |
| Femoral approach side (right), n (%) | 29 (76.3) | 25 (83.3) | 4 (50.0) | 0.071 |
Continuous variables are presented as median (IQR). Categorical variables are presented as number (%).
DOA, dead on arrival; GCS, Glasgow Coma Scale; ISS, injury severity score; REBOA, resuscitative endovascular balloon occlusion of the aorta; SBP, systolic blood pressure.