Table 1 Demographics and clinical characteristics of patients

Age (y), median (IQR)

72 (39–82)

69 (63–72)

69 (45–80)

Male, n (%)

6 (38)

9 (100)^*

15 (75)

Shock index, median (IQR)

1.4 (1.1–1.5)

1.6 (1.0–2.1)

1.4 (1.1–1.16)

Injury severity score, median (IQR)

41 (33–49)

-

-

Glasgow-Blatchford score, median (IQR)

-

-

-

Systolic blood pressure before REBOA (mmHg), median (IQR)

78 (67–87)

64 (61–77)

71 (62–87)

Base excess (mmol/L), median (IQR)

-9.0 (-18.7–-6.3)

-11.5 (-14.6–-9.2)

-9.4 (-15.1–-6.4)

pH, median (IQR)

7.33 (7.25–7.41)

7.30 (7.23–7.38)

7.32 (7.23–7.39)

Lactate (mg/dL), median (IQR)

4.3 (3.2–9.0)

6.3 (5.6–11.0)

5.7 (3.7–11.0)

Prothrombin time (%), median (IQR)

64.5 (46.5–79.5)

67.0 (51.0–7.30)

67.0 (48.0–77.0)

Activated partial thromboplastin time (sec), median (IQR)

56.3 (41.4–75.9)

39.3 (35.3–64.5)

53.4 (38.2–75.7)

Insertion at the ER, n (%)

16 (100)

6 (67)

22 (88)

Failed REBOA, n (%)

3 (19)

0

3 (12)

Total occlusion time of REBOA (min), median (IQR)

65 (57–99)

55 (50–95)

61 (51–98)

PRBC transfusion within 24 h (mL), median (IQR)

1540 (840–2590)

1960 (1400–2800)

-

FFP transfusion within 24 h (mL), median (IQR)

720 (360–1440)

900 (720–1440)

-

Outcomes, n (%)

 Died at the ER

5 (31)

0

5 (20)

 Died within 24 h

4 (25)

1 (11)

5 (20)

 Died within 2 months

1 (6)

2 (22)

3 (12)