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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
  1. TA traffic accident, sBP systolic blood pressure, HR heart rate, RR respiratory rate, GCS Glasgow Coma Scale, AIS abbreviated injury scale, ISS injury severity score, RTS revised trauma score, Ps provability of survival, FAST focused assessment with sonography for trauma, TAE transcatheter arterial embolization