. Author manuscript; available in PMC: 2022 Jul 1.

Published in final edited form as: J Trauma Acute Care Surg. 2021 Jul 1;91(1):171–177. doi: 10.1097/TA.0000000000003178

Table 4.

Trauma Center Delta Regression Models

Model Variable	Coefficient	95% CI	p-value	Model R2
Analysis of All Levels of Trauma Centers
All Injury Related Mortality	0.021	−0.178, 0.220	0.832	0.0010
Homicide Mortality	−0.031	−0.048, −0.013	0.001^*	0.0013
Suicide Mortality	−0.010	−0.039, 0.019	0.498	0.0000
Unintentional Mortality	0.058	−0. 099, 0.215	0.461	0.0025
Analysis of Level I and Level II Trauma Centers
All Injury Related Mortality	0.497	−0.243, 1.018	0.061	0.0003
Homicide Mortality	0.019	−0.063, 0.102	0.641	0.0006
Suicide Mortality	0.120	0.052, 0.189	0.001^*	0.0003
Unintentional Mortality	0.367	−0.091, 0.825	0.114	0.0001

p < 0.05.