TABLE V.

Multivariable Negative Binomial Regression Model Assessing Factors Associated with Length of Hospital Stay

Factor	IRR*	P Value
Time to OR (delayed vs. early)	1.19 (1.02 to 1.39)	0.025
Polytrauma (yes vs. no)	1.57 (1.24 to 2.03)	<0.001
Comorbidities (yes vs. no)	1.39 (1.19 to 1.63)	<0.001
ISS	1.05 (1.02 to 1.09)	0.003
Blood transfusion (yes vs. no)	1.97 (1.24 to 3.31)	0.003
Complications (yes vs. no)	2.33 (1.68 to 3.35)	<0.001
Procedure type (ORIF vs. CR with spica cast)	1.93 (1.68 to 2.21)	<0.001

^*The values are given as the IRR, with the 95% CI in parentheses.