. Author manuscript; available in PMC: 2014 Nov 1.

Published in final edited form as: J Trauma Acute Care Surg. 2013 Nov;75(5):807–812. doi: 10.1097/TA.0b013e3182a74a9b

Table 3.

Associations between peri-transfusion StO2 and predictor variables; adjusting for patient baseline StO2.¹

	Adjusted for baseline StO2

Predictors	Beta	p-value
Time	0.0254	0.9229
Center (UAB versus UT)	0.6551	0.2526
Blood age (days)	-0.1064	0.0012
Female versus male	0.6306	0.2974
Age (years)	-0.0049	0.7353
Blunt versus penetrating mechanism	0.8344	0.2089
Injury severity score	0.0333	0.0929
MAP	-0.0089	0.3239
Pre Hemoglobin	0.0449	0.7657
Base deficit	-0.1329	0.2345

Model: Average %O₂ = Baseline O₂ + predictor