Table 1 Characteristics of multiply imputed dataset
From: Resuscitative endovascular balloon occlusion of the aorta may contribute to improved survival
Subgroups | Early-period (2004–2007) (n = 91) | Mid-period (2008–2011) (n = 276) | Late-period (2012–2015) (n = 266) | P-Value |
|---|---|---|---|---|
Age | 49 (30–68) | 54 (32–7) | 57 (36–72) | 0.136 |
Sex, Male (%) | 64 (70) | 178 (65) | 177 (67) | 0.587 |
Injury Type | 0.987 | |||
TA | 56 (61) | 162 (59) | 162 (61) | |
Fall | 24 (26) | 72 (26) | 69 (26) | |
Other blunt | 5 (5.7) | 21 (7.6) | 16 (6.0) | |
Penetrate | 6 (6.9) | 21 (7.6) | 19 (7.2) | |
Transport type | 0.001 | |||
Ambulance | 83 (91) | 223 (81) | 186 (70) | |
Dr-car | 2 (2.2) | 10 (3.6) | 26 (9.8) | |
Helicopter | 6 (6.8) | 41 (15) | 53 (20) | |
Other | 0 (0) | 2 (0.7) | 1 (0.4) | |
Prehospital treatment | ||||
Intravenous fluids | 5 (5.5) | 32 (11.6) | 35 (13.2) | 0.137 |
Prehospital vital signs | ||||
sBP | 98 (78–118) | 94 (78–118) | 104 (80–129) | 0.046 |
HR | 96 (79–120) | 96 (80–120) | 100 (82–120) | 0.331 |
RR | 24 (18–30) | 24 (21–30) | 24 (20–30) | 0.064 |
Vital signs at hospital arrival | ||||
sBP, mmHg | 80 (40–104) | 80 (62–105) | 80 (62–111) | 0.452 |
HR | 108 (93–126) | 105 (85–124) | 109 (85–128) | 0.602 |
RR | 24 (20–30) | 27 (20–30) | 25 (20–30) | 0.183 |
GCS | 9 (3–14) | 11 (6–14) | 12 (6–14) | 0.617 |
AIS, n, median (95% CI) | ||||
Head | 41, 3 (3–5) | 105, 4 (3–5) | 100, 4 (3–5) | 0.784 |
Chest | 52, 4 (3–4) | 162, 4 (3–4) | 166, 4 (3–4) | 0.281 |
Abdomen | 71, 4 (3–4) | 204, 3 (3–4) | 175, 4 (3–4) | 0.381 |
Pelvis | 51, 3 (2–5) | 171, 4 (3–5) | 175, 4 (3–5) | 0.529 |
ISS | 33 (20–45) | 34 (20–45) | 34 (22–45) | 0.610 |
RTS | 5.4 (3.6–6.9) | 5.9 (4.2–7.1) | 6.0 (4.4–7.1) | 0.125 |
Ps | 55 (13–92) | 63 (23–89) | 58 (23–89) | 0.734 |
Abdominal FAST | 0.029 | |||
Positive | 59 (65) | 171 (62) | 132 (50) | |
Negative | 29 (32) | 97 (35) | 124 (47) | |
Not conducted | 3 (3.3) | 8 (3.0) | 10 (3.8) | |
Initial Treatment | ||||
Thoracotomy | 3 (3.3) | 16 (5.8) | 13 (4.9) | 0.632 |
Celiotomy | 52 (57) | 143 (52) | 114 (43) | 0.026 |
TAE | 25 (28) | 69 (25) | 89 (34) | 0.090 |
Blood Transfusion Quantity | 24 (16–40) | 26 (16–44) | 22 (14–38) | 0.218 |