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Table 2 Associated injuries and outcome by shock index

From: Shock index in patients with traumatic solid organ injury as a predictor of massive blood transfusion protocol activation

  Overall (n = 572) SI < 0.8 (n = 283) SI ≥0.8 (n = 289) P value
Solid Organ injurya
 Liver 289 (50.5%) 143 (50.5%) 146 (50.5%) 0.99
 Splenic 211 (36.9%) 97 (34.3%) 114 (39.4%) 0.20
 Kidney 122 (21.3%) 59 (20.8%) 63 (21.8%) 0.78
 Pancreas 32 (5.6%) 12 (4.2%) 20 (6.9%) 0.16
Associated injuries
 Head injury 150 (26.2%) 47 (16.6%) 103 (35.6%) 0.001
 Hemothorax 53 (9.3%) 24 (8.5%) 29 (10.0%) 0.52
 Retroperitoneal hematoma 42 (7.3%) 12 (4.2%) 30 (10.4%) 0.005
 Pelvic hematoma 16 (4.2%) 5 (2.7%) 11 (5.7%) 0.14
 Mesenteric injury 53 (9.7%) 27 (9.9%) 26 (9.4%) 0.83
FAST Positive 147 (27.8%) 61 (23.6%) 86 (31.7%) 0.03
Intubation 209 (36.5%) 48 (17.0%) 161 (55.7%) 0.001
Exploratory laparotomy 164 (28.7%) 67 (23.7%) 97 (33.6%) 0.009
Blood transfusion 238 (41.6%) 64 (22.6%) 174 (60.2%) 0.001
Blood unit transfused 6 (1–62) 4 (1–62) 6.5 (1–51) 0.001
MTP activation 74 (12.9%) 11 (3.9%) 63 (21.8%) 0.001
ICU LOS 4 (1–76) 3 (1–76) 5 (1–69) 0.003
Ventilatory days 3 (1–32) 2 (1–32) 3 (1–31) 0.48
Hospital LOS 8 (1–304) 6 (1–122) 10 (1–304) 0.001
Sepsis 35 (6.1%) 7 (2.5%) 28 (9.7%) 0.001
In-hospital mortality 50 (8.7%) 9 (3.2%) 41 (14.2%) 0.001
  1. aThe frequency of each solid organ is overlapping between the four organs; SI Shock Index, MTP Massive transfusion protocol, LOS Length of stay