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. Author manuscript; available in PMC: 2023 Jan 1.
Published in final edited form as: Am J Emerg Med. 2021 Oct 24;51:176–183. doi: 10.1016/j.ajem.2021.10.030

Table 2. Injury Characteristics –

Injuries sustained (including aggregate lung injury score) during resuscitation are summarized and stratified by group with associated group comparison p-value parameters.

1.5 inch
n= 23
1/3 APd
n = 15
Overall
N = 38
p-value

Any Rib Fracture 18 (78.3%) 15 (100.0%) 33 (86.8%) 0.053

Number of Rib Fractures 2.7 (1.7) 6.7 (2.6) 4.3 (2.9) < 0.001

Any Blood in ETT 0 (0.0%) 12 (80.0%) 12 (31.6%) < 0.001

Any Sternal Fracture 0 (0.0%) 7 (46.7%) 7 (18.4%) < 0.001

Any Hemothorax 0 (0.0%) 6 (40.0%) 6 (15.8%) < 0.001

Any Aortic Dissection 0 (0%) 2 (13.3%) 2 (5.3%) 0.072

Any Vena Caval Dissection 0 (0%) 1 (6.7%) 1 (2.6%) 0.21

Any Myocardial Contusion 15 (65.2%) 10 (66.7%) 25 (65.8%) 0.703

Any Liver/Spleen Contusion 1 (4.3%) 2 (13.3%) 3 (7.9%) 0.315

Adjudicated LIS
Median 5 8.7 6.5 < 0.001
IQR 5-5 8-10 5-8
Range 1-7 6-10 1-10

Abbreviations: APd – Anterior-Posterior Diameter; ETT – Endotracheal Tube, LIS – Lung Injury Score